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Articles There Is Something Fishy About A Presumption Of Obviousness[View All] | Title: | There Is Something Fishy About A Presumption Of Obviousness |
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| Date: | Feb 2002 |
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| Publication: | 84 Journal of the Patent & Trademark Office Society 148 |
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| Author(s): | Philippe J.C. Signore, Ph.D. |
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THERE IS SOMETHING FISHY ABOUT A
PRESUMPTION OF OBVIOUSNESS
Philippe Signore [1]
Copyright
© 2002 by Patent and Trademark Office Society; Philippe Signore
TABLE
OF CONTENTS
I. Introduction
II. The Presumption of Obviousness Appears to Be Constitutional
III. The Presumption of Obviousness Finds No Support in Early Patent
Statutes
IV. The Presumption of Obviousness Conflicts with the Prima Facie
Concept
V. The Presumption of Obviousness Is Logically Unworkable
VI. Conclusion
I.
INTRODUCTION
Early last year,
Congressmen Berman and Boucher introduced a bill in the House of
Representatives entitled the "Business Method Patent Improvement Act of
2001" (hereafter "the Act"). [2] This bill updates a previously-introduced
bill [3] and exemplifies an ongoing legislative reaction to
criticism against the patent system in general and, more particularly, against
the issuance of patents coveringmethods
of doing business. [4] The Act would create a presumption
that certain method of doing business inventions are obvious and thus
unpatentable. [5] Specifically, the act proposes to amend 35
USC 103 by adding the following:
(d)(1) A business method invention shall be presumed
obvious under this section if the only significant difference between the
combined teachings of the prior art and the claimed invention is that the
claimed invention is appropriate for use with a computer technology, unless -
(A)
the application of the computer technology is novel; or
(B) the computer technology is novel and not the
subject of another patent or patent application.
(2)(A)
An applicant or patentee may rebut the presumption under paragraph (1) upon a
showing by a preponderance of the evidence that the invention is not obvious to
persons of ordinary skill in all relevant arts.
(B)
Those areas of art which are relevant for purposes of subparagraph (A) include
the field of the business method and the field of the computer implementation.
To patent
practitioners, a presumption that an invention is unpatentable because it is
presumed to be obvious sounds fishy. Similarly, a presumption of guilt for
certain criminal defendants would sound dubious to criminal defense lawyers.
Besides the fact that such presumption of obviousness is discriminatory for
singling out business method inventors and probably useless, [6]
something appears fundamentally wrong with such a presumption. Today, the law is
clear that the initial burden of production and persuasion to establish
obviousness is on the USPTO. The USPTO must first make a prima facie case of
obviousness before the patent applicant is required toprovide evidence of non-obviousness. [7] A
presumption of obviousness would shift the initial burden of production for
establishing patentability from the USPTO to the applicant and would therefore
be contrary to today's patent laws. Of course, Congress has the power to make
new patent laws and change existing ones, as long as the laws are
constitutional. This article considers the constitutionality of this proposed
presumption of obviousness, and exposes the lack of support for this
presumption in early U.S. patent statutes and the inconsistency it would create
with the well-established prima facie concept. In the end, though the
presumption may be legally acceptable, it contradicts tradition and logic.
II.
THE PRESUMPTION
OF OBVIOUSNESS APPEARS TO BE CONSTITUTIONAL
A presumption of
obviousness, or a presumption of unpatentability, would not violate the
Constitution. Article I, section 8 of the U.S. Constitution explicitly grants
Congress the power to secure "Inventors the exclusive Right to their
respective ... Discoveries." [8] The original
Constitution [9] establishes the foundations of our
government, and as such includes few provisions directly dealing with individuals'
rights. The constitutional identification of an exclusive right for individual
inventors is therefore intriguing and leads one to wonder whether the
Constitution codifies an inherent, or natural right for inventors, such as the
right to protect their discoveries with a patent. If such a right to a patent
existed, Congress would probably not be permitted to presumptively render
certain inventions unpatentable.
The position that
inventors have a natural right to their invention is not unreasonable. For
example, one of the first French patent laws (of 1791) states that refusing to
give a grant of property to an inventor forhis discovery would be an attack on the inventor's human rights. [10] Some have argued that securing intellectual property is
justified because the creation of ideas requires labor, and labor should
morally and ethically be rewarded. [11] In other words,
labor should be rewarded for its own sake by the creation of intellectual property,
without considering the effects on society of creating such property rights.
Under this theory, patents could be viewed as the reward for the labor required
during the inventive act, and every inventor who labors during the inventive
act would be entitled to a patent. [12]
Another natural right-type
justification for creating intellectual property is that an idea belongs to its
creator because the idea is a manifestation of the creator's personality or
self. [13] Recognizing an inventor's intellectual property
rights is recognizing that inventor as a person. [14] Under
this theory, the act of inventing is an initial step in the ongoing struggle
for self-actualization, and patent rights protect the inventor's initial
attempt to make his mark on the world. [15]
On the other hand, the
justification for the American patent system and the protection of intellectual
property rights via patents is generally framed in instrumental terms, i.e.,
based on the utilitarian concept that society gives inventors a property right
to encourage labor and promote the public good. [16] For example, President Washington, in his
first message to Congress in support of passing a patent statute, is reported
to have stated "I cannot forbear intimating to you the expediency of
giving effectual encouragement ... to the exertions of skill and geniusin producing" new and useful
inventions. [17]
Jefferson wrote, for example, that "an inventor ought to be allowed
a right to the benefit of his invention for some certain time ... Nobody wished
more than I do that ingenuity should receive a liberal encouragement." [18] Under this instrumental view, a patent system is a tool to
improve society, not a means to secure some fundamental right to which
inventors are naturally entitled.
Indeed, Jefferson explicitly
rejected a natural right theory that would entitle inventors to an inherent
exclusive right to their inventions, as he explained in a letter:
... while it is a moot question whether the origin
of any kind of property is derived from nature at all, it would be singular to
admit a natural and even hereditary right to inventors. It is agreed by those
who have seriously considered the subject, that no individual has, of natural
right, a separate property in an acre of land, for instance. ... It would be
curious, then, if an idea, the fugitive fermentation of an individual brain,
could, of natural right, be claimed in exclusive and stable property. ...
Inventions then cannot, in nature, be a subject of property. Society may give
an exclusive right to the profits arising from them, as an encouragement to men
to pursue ideas which may produce utility, but this may or may not be done,
according to the will and convenience of the society, without claim or
complaint from any body. [19]
In fact, the
Constitution's "patent clause" is cast in instrumental terms. Under
this clause, Congress has the power to create patent rights "to promote
the Progress of ... the useful Arts." The Supreme Court has interpreted
the clause as providing for intellectual property rights to encourage further
intellectual creation. [20]
As the Court of Customs andPatent
Appeals (CCPA) observed, the Constitution "neither gave to nor preserved
in inventors (or authors) any rights and set no standards for the patentability
of individual inventions; it merely empowered Congress, if it elected to do so,
to secure to inventors an 'exclusive right' for an unstated 'limited' time for
the stated purpose of promoting useful art." [21] One must thus conclude that the Constitution
does not protect a natural right to a patent. Accordingly, Congress would
appear to be within its constitutional mandate if it passed a presumption of
unpatentability for certain inventions as long as Congress believes that such
presumption promotes "Progress of ... useful Arts."
III.
THE
PRESUMPTION OF OBVIOUSNESS FINDS NO SUPPORT IN EARLY PATENT STATUTES
Although a presumption
of obviousness, or a presumption of unpatentability, would not violate the
Constitution, such presumptions find no support in early patent statutes. Under
the first U.S. patent law, passed during the second session of the first
Congress in 1790, the Secretary of State, the Secretary of War, and the
Secretary General could grant a patent if they deemed "the invention or
discovery sufficiently useful and important." [22] This historical statute imposed on the
applicant a certain burden of production by requiring the applicant to deliver
an enabling specification "so particular ... to distinguish the invention
or discovery from other things before known and used." [23] In other words, the specification had to be detailed
enough that the invention was enabled and distinguishable from some prior art,
but did not have to establish an absolute novelty. Therefore, the statute did
not impose on the applicant an initial burden of production or persuasion that
his invention was novel.
In 1793, in view of
the lack of time and resources to examine patent applications for the
invention's sufficient utility and importance, Congress eliminated such
examination but required (in addition to delivering an enabling specification and
model) that the applicant "swear and affirm that he does verily believe,
that he is the true inventor or discoverer of the art, machine, or improvement,
for which he solicits a patent." [24] The patent system
thus became a registration-type system,wherein
the Secretary of State's [25] duties were essentially
ministerial without the power to refuse a patent for want of novelty,
usefulness, importance, or obviousness. [26] Accordingly,
under this system, neither the Secretary of State nor the applicant had a
burden of production and persuasion to establish the novelty, usefulness,
importance or non-obviousness of the invention.
This registration system lasted over 40 years until the
increase in patents issued raised concerns over the system and generated
criticisms surprisingly similar to those heard today in reference to the
issuance of business method patents. Specifically, it was reported in 1836 that
the lack of an examination into the merit or novelty of the inventions resulted
in the following "evils":
1.
A considerable portion of all the patents granted are worthless and void ....
2.
The country becomes flooded with patent monopolies, embarrassing ... the
community at generally, in the use of even the most common machinery and long-known
improvements in the arts and common manufactures of the country.
3.
[A] great number of law suits arise, which are daily increasing in an alarming
degree, onerous to the courts, ruinous to the parties, and injurious to
society. [27]
Out of these
frustrations, Congress passed the Patent Act of 1836 and created a Patent
Office charged with the duty to "make or cause to be made, an examination
of the alleged new invention or discovery" and with the power to refuse
patents for lack of novelty, usefulness, or importance. [28]
Congress recognized that "[t]he duty of examination and investigation
necessary to a first decision at the Patent Office, [was] an important
one." [29] Upon
refusal of a patent, the Commissioner had the duty to "notify the
applicant ... giving him, briefly, such information andreferences as may be useful in judging of the propriety of
renewing his application." [30] In other words, the Patent Office was
created to discharge at least two essential duties: 1) to examine and
investigate all patent applications and 2) to provide information and
references in support of any refusal to grant a patent. Relieving the Office of
these duties, via a presumption that certain inventions are obvious and
unpatentable, would therefore conflict with the basis for creating the Patent
Office in the first place.
IV.
THE PRESUMPTION
OF OBVIOUSNESS CONFLICTS WITH THE PRIMA FACIE CONCEPT
Perhaps the strongest
case against a presumption of obviousness relates to its conflict with the well-established
prima facie concept used during the obviousness analysis. In 1952, Congress
significantly amended the patent statute and codified inter alia the non-obviousness
requirement in 35 USC 103. Shortly thereafter, the Supreme Court interpreted
the obviousness statute in the seminal case Graham v. John Deere and put forth
its famous framework for applying 35 USC 103 with its four-part factual
inquiry. [31] The
Court concluded that 35 USC 103 "was intended merely as a codification of
judicial precedents embracing the Hotchkiss condition, with congressional
directions that inquiries into obviousness of the subject matter sought to be
patented are a prerequisite to patentability." [32] In Hotchkiss, [33] the Supreme Court held in 1850 that when the
claimed improvement lacked ingenuity and was within the skills of a person of
ordinary skill in the art, the claimed improvement was not an invention. [34] Hotchkiss is often
cited as one of the original cases establishing the non-obviousness
requirement. [35]
The patent statute
does not allocate the initial burden of production and persuasion for the
obviousness analysis during proceedings before the PTO. One could argue that
the preamble of 35 USC 102, to whichSection
103 is closely tied, implies that the analysis must start with the presumption
that the invention is non-obvious until the PTO can rebut such a presumption. [36] Indeed, the CCPA has stated that "the precise
language of 35 USC 102 that 'a person shall be entitled to a patent unless,'
concerning novelty and unobviousness, clearly places a burden of proof on the
Patent Office which requires it to produce the factual basis for its rejection
of an application under sections 102 and 103." [37]
More recent decisions
indicate that the CAFC has adopted the prima facie obviousness concept. [38] For example, in
1993 a CAFC panel explained that "[i]n rejecting claims under 35 U.S.C. (
103, the examiner bears the initial burden of presenting a prima facie case of
obviousness .... Only if that burden is met, does the burden of coming forward
with evidence or argument shift to the applicant." [39] Concurring, Judge Plager explained that
"when obviousness is at issue, the examiner has the burden of persuasion
and therefore the initial burden of production. Satisfying the burden of
production, and thus initially the burden of persuasion, constitutes the so- called
prima facie showing." [40]
The origin of the prima facie concept is uncertain. [41] It has been stated
that the prima facie notion "serves to level the playing field and reduces
the likelihood of administrative arbitrariness." [42] The prima facie concept may thus be related
to notions of fairness, with which a presumption of obviousness would conflict.
Indeed, it seems unfair that individual inventors, who pay filing fees to have
their applications examined, face the initial burden of production while the
PTO's army of professional public servants, trained and paid to search prior
art, sits idle.
V.
THE PRESUMPTION
OF OBVIOUSNESS IS LOGICALLY UNWORKABLE
In further support of
maintaining the initial burdens of production and persuasion on the PTO, one
might argue that this allocation is the only logical procedure to inquire into
the obviousness of an invention: While it is possible to legally prove that an
invention is obvious, it is virtually impossible to legally prove that an
invention is non-obvious (or novel). One can confirm the non-obviousness (and
novelty) of the invention relative to certain specific prior art. Such
confirmation becomes more impressive as the number of applied prior art grows.
However, one cannot guarantee the non-obviousness (or novelty) unless all the
prior art is exhausted and considered. In other words, the proposition "my
invention is novel and non-obvious" is only an hypotheses that can be
falsified. [43] Even
after a patent issues, the patent is only "presumed to be valid" [44] indicating that
the invention is only presumed to be novel and non-obvious. The issuance of the
patent does not prove the novelty and non-obviousness of the invention.
Legally proving that
an invention is non-obvious would require demonstrating what a person of
ordinary skill in the art knows. A person of ordinary skill in the art is a
person who knows all the pertinent prior art available against the application.
[45] The universe of
such prior art is practically infinite because it includes every pertinent
publication ever published and every pertinent patent ever issued anywhere in
the world (prior to the application filing date), and every pertinent public
use or sale in this country that took place more than one year prior to the
application filing date. [46] Therefore, proving that an invention is non-obvious would require
collecting and addressing a nearly infinite body of prior art, which is
virtually impossible. Even proving that an invention is non-obvious by a
preponderance of the evidence would require collecting over half of all the
prior art available, i.e., half of infinity, which remains impossible.
Therefore, it is virtually impossible to rebut the presumption of obviousness
under the Act, which requires a "showing by a preponderance of the evidence
that the invention is not obvious to persons of ordinary skill in all relevant
arts."
On the other hand, as
is well established under the present prima facie procedure, legally proving
that an invention is obvious only requires a handful of pieces of prior art
(sometimes a single reference is enough). One can legally refute that the
identified prior art is sufficient to show obviousness without collecting the
infinite entirety of prior art references. For example, one can show that the
applied prior art actually teaches away from the claimed invention so that a
person of ordinary skill in the art would not find the invention obvious based
on the applied prior art. Therefore, placing the initial burden of production
on the entity attempting to prove obviousness (the PTO) may be the only logical
way to start the inquiry into the obviousness of an invention. Accordingly,
creating a presumption that an invention is obvious and placing the initial
burdens of production and persuasion on the applicant appears illogical and
unworkable.
VI.
CONCLUSION
While there may be
problems with our patent system and business method patents, the solutions are
unlikely found in micromanaging our patent laws by creating exceptions and
special examination procedures for different fields of technology. Such an
approach would further complicate our system, generate more uncertainties and
frustrations, which would lead to further legislation. The proposed presumption
of obviousness for business method inventions is an example of such dubious
micromanaging effort. Even more disturbing, is the presumption's lack of
support in the traditions of U.S. patent laws, and the inconsistency it would
create with the well-established prima facie concept.
84 J. Pat. & Trademark Off. Soc'y 148
[1].
Philippe Signore is a patent agent in the electrical/mechanical practice group
of Oblon, Spivak, McClelland, Maier & Neustadt, P.C.. The author gratefully
acknowledges Alexander Gasser and Igor Sen for reviewing this work and
providing useful comments. The opinions expressed herein are solely those of
the author and do not represent those of Oblon, Spivak, McClelland, Maier &
Neustadt, P.C.
[2].
H.R. 1332, introduced on April 3, 2001.
[3].
The Business Method Patent Improvement Act of 2000, H.R. 5364IH, introduced on
October, 3, 2000.
[4].
See also the "Patent Improvement Act of 2001," H.R. 1333, introduced
on April 3, 2001; Resolution H.RES. 110, introduced April 3, 2001; the
"Patent Reexamination Enhancement Act of 2001," H.R. 1866, introduced
May 16, 2001; H.R. 1886, introduced May 17, 2001; and H.R. 2231, introduced on
June 19, 2001.
[5].
The Patent Improvement Act of 2001 also proposes a similar presumption of obviousness,
but not limited to business method invention. The following discussion applies
equally to that broader proposal.
[6].
If the only significant difference between the combined
teachings of the prior art and the claimed invention is that the claimed
invention is appropriate for use with a computer, and if the prior art shows
that the application of the computer technology is already known in this field,
then the PTO should reject the claimed invention as being obvious under today's
version of 35 USC 103 over that prior art.
[7].
See e.g., In re Epstein, 32 F3d 1559, 1570, 31 USPQ 1817,
1825 (Fed. Cir. 1994) (Judge Plager
concurring: "in patent law[,] the rule is that the burden of persuasion is
on the PTO to show why the applicant is not entitled to a patent.") See
also, In re Oetiker, 977 F2d 1443, 1449, 24 USPQ2d 1443, 1447 (Fed. Cir. 1992)
("The burden is on the Commissioner to establish that the applicant is not
entitled under the law to a patent ... [W]hen obviousness is at issue, the
examiner has the burden of persuasion and therefore the initial burden of
production. Satisfying the burden of production, and thus initially the burden
of persuasion, constitutes the so- called prima facie showing. Once that
burden is met, the applicant has the burden of production to demonstrate that
the examiner's preliminary determination is not correct. The examiner, and if
later involved, the Board, retain the ultimate burden of persuasion on the
issue.")
[8].
See e.g., H.R. Rep. No. 1923, 82d Cong., 2d Sess. 4 (1952); S. Rep. No. 1979,
82d Cong., 2d Sess. 3 (1952) (Cited in In re Bergy, 596 F.2d 952, 201 USPQ 352
(CCPA 1979).
[9].
By "original Constitution" is meant Articles I to VII, not including
the Bill of Rights.
[10].
See the preamble of the law of January 7, 1791.
[11].
Hughes, "The Philosophy of Intellectual Property," 77 Geo. L.J. 287,
302 (1988) (applying Locke's property theory to intellectual property).
[12].
But see Davis, "Patents, Natural Rights, and Natural Property,"
Owning Scientific and Technical Information, 241, 242, Rutgers Univ. Press,
1989 (Identifying a problem with this theory: "If natural law gives one a
right to the products of one's own labor, then granting a patent must sometimes
take another's property without just compensation - that is, take an
independent inventor's right to benefit from the otherwise salable product of
her own labor.")
[13].
Hughes, "The Philosophy of Intellectual Property," 77 Geo. L.J. 287,
330 (1988) (applying Hegel's personality theory to intellectual property.)
[14].
Id., at 343 ("Hegel argues that recognizing an individual's property
rights is an act of recognizing the individual as a person. That same reasoning
applies to the externalization connection: if X owns a patent, people will
recognize him as a particular person - the inventor of a unique
innovation.")
[15].
Id., at 333 ("Acting upon things is an initial step in the ongoing
struggle for self-actualization. Socially mandated property rights do not
trigger this self-actualization; they are only a means to protect the
individual's initial attempt to take command of the world.")
[16].
Id., 303-4.
[17].
Federico, "Commentary on the New Patent Act," JPTOS, Vol. 75, No. 3,
at 164 (March 1993) (emphasis added).
[18].
Letter to Oliver Evans (May 1807), V Writtings of Thomas Jefferson, at 75-76
(Washington ed.), reported in Graham v. John Deere, 383 U.S. 1, 8, 86 S. Ct.
684, 689 (1966) (emphasis added).
[19].
Letter to Isaac McPherson, Washington Edition, Vol. VI, page 180 (1814) (reported in Federico,
"Operation of the Patent Act of 1790," JPOS, Vol. XVIII, No. 4,
April, 1936.) (emphasis added)
[20].
See e.g., Kendall v. Winsor, 62 US 322, 328 (1958) ("It is undeniably true,
that the limited and temporary monopoly granted to inventors was never designed
for their exclusive profit or advantage; the benefit to the public or community
at large was another and doubtless the primary object in granting and securing
that monopoly. This was at once the equivalent given by the public for benefits
bestowed by the genius and meditations and skill of individuals, and the
incentive to further efforts for the same important objects. The true policy
and ends of the patent laws enacted under this Government are disclosed in that
article of the Constitution, the source of all these laws, viz: 'to promote the
progress of science and the useful arts,' contemplating and necessarily
implying their extension, and increasing adaptation to the uses of
society.")
[21].
In re Bergy, 596 F.2d 952, 201 USPQ 352 (CCPA 1979).
[22].
Patent Act of 1790, Chapter 7, Section 1, reproduced in Chisum, Chisum on
Patents, Matthew Bender & Company, Inc., (2000) (hereafter
"Chisum"), Appendix 9.
[23].
Id., at Section 2.
[24].
Patent Act of 1793 (reproduced in Chisum, Appendix 10).
[25].
The 1793 Act provided for the Secretary of State to issue patents whereas the
1790 Act gave that power to the Secretary of State, the Secretary for the
department of war, and the Attorney General.
[26].
See e.g., Preston, "The Administration and Reform of the U.S. Patent
Office," J. Early Republic, 331, 344-345 ("Although he could not deny
anyone a patent, [the superintendent of the Patent Office] did what he could to
discourage applicants when he felt their inventions were unworkable or not
original. ... When Baltimore inventor Michael Withers applied for a patent in
1813 for winged gudgeons (a common piece of hardware), the superintendent
begrudgingly issued it, telling Withers that imposition was the same as theft.
... [The superintendent] occasionally told applicants that their 'inventions'
were such obvious improvements in common articles that even he had conceived of
such a notion.")
[27].
Ruggles, Senate Report Accompanying Senate Bill No. 239, 24th Cong., 1st Sess,
April 28, 1836, reproduced in Chisum, Appendix 12.
[28].
Patent Act of 1836, Chapter 357, Section 7, reproduced in Chisum, Appendix 11.
[29].
Ruggles, Senate Report Accompanying Senate Bill No. 239, 24th Cong., 1st Sess,
April 28, 1836, reproduced in Chisum, Appendix 12.
[30].
Id.
[31].
Graham v. John Deere, 383 U.S. 1, 17-18, 86 S. Ct. 684, 694 (1966) ("Under ( 103, the scope and
content of the prior art are to be determined; differences between the prior art
and the claims at issue are to be ascertained; and the level of ordinary skill
in the pertinent art resolved. Against this background, the obviousness or non-obviousness
of the subject matter is determined. Such secondary considerations as
commercial success, long felt but unsolved needs, failure of others, etc.,
might be utilized to give light to the circumstances surrounding the origin of
the subject matter sought to be patented. As indicia of obviousness or non-obviousness,
these inquiries may have relevancy.")
[32].
Id., at 17, 86 S. Ct. at 693.
[33].
Hotchkiss v. Greenwood, 52 U.S. 248, 13 L. Ed. 683 (1850).
[34].
Id., at 267, 13 L. Ed. at 691.
[35].
Federico, "Commentary on the New Patent Act,"
JPTOS, Vol. 75, No. 3, at 182 (March 1993).
[36].
See e.g., Chisum ( 5.06[1], suggesting that argument.
[37].
In re Warner, 379 F.2d 1011, 1016, 154 USPQ 173 (CCPA 1967), cert. denied, 389
U.S. 1057, reh'g denied, 390 U.S. 1000 (1968).
[38].
See generally, Chisum ( 5.06[1], footnote 5.4.
[39].
In re Rijckaert, 9 F.3d 1531, 1532, 28 USPQ2d 1955, 1956 (Fed. Cir. 1993). See
also, In re Oetiker, 977 F.2d 1443, 1445, 24 USPQ2d 1443, 1444 (Fed. Cir. 1992)
("the examiner bears the initial burden, on review of the prior art or any
other ground, of presenting a prima facie case of unpatentability).
[40].
In re Oetiker, at 1449, 24 USPQ2d at 1447 (Judge Plager concurring) ("An
applicant for a patent is entitled to the patent unless the application fails
to meet the requirements established by law. It is the Commissioner's duty
(acting through the examining officials) to determine that all requirements of
the Patent Act are met. The burden is on the Commissioner to establish that the
applicant is not entitled under the law to a patent .... In rejecting an
application, factual determinations by the PTO must be based on a preponderance
of the evidence, and legal conclusions must be correct.")
[41].
Id., at 1449.
[42].
Id., at 1449.
[43].
This position is reminiscent of Popper's "evolutionary epistemology"
theory, wherein a scientific theory is only an hypotheses that either is
refuted or, if fit, temporarily survives the scientist's attempted
falsifications.
[44].
35 USC 282 ("A patent shall be presumed valid.")
[45].
Custom Accessories, Inc. v. Jeffrey-Allan Industries, Inc., 807 F2d 955,
962, 1 USPQ2d 1196, 1201 (Fed. Cir. 1986) ("The person of ordinary skill
is a hypothetical person who is presumed to be aware of all the pertinent prior
art"). See also Chisum at ( 5.04.
[46].
See 35 USC 102, defining what is prior art.

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