the firm's post-grant practitioners are some of the most experienced in the country.

Stephen G. Baxter, Ph.D.
Tia D. Fenton
Teddy S. Gron
Jianping (James)  Wu
John S. Kern
J. Derek  Mason, Ph.D., CLP
Bogdan A. Zinchenko
Eckhard H. Kuesters
Robert T. Pous
David M. Longo, Ph.D.
Andrew M. Ollis
Jeffrey B. McIntyre
Kevin M. McKinley
Dale M. Shaw
John  Sipos
Richard D. Kelly
Edwin D. Garlepp
Yorikatsu  Hohokabe, Ph.D.
Philippe J.C. Signore, Ph.D.
Ryan W. Smith
Nicholas  Rosa, Ph.D.
Aldo  Martinez
Daniel J. Pereira, Ph.D.
Kevin Ross  Davis
Kasumi  Kanetaka
Grace E. Kim
Jenchieh (Joseph) Yuan
Charles L. Gholz
Carl E. Schlier
Kevin L. Hartman, Ph.D.
Jay E. Rowe, Jr., Ph.D.
Eric W. Schweibenz
Stefan Uwe  Koschmieder, Ph.D.
Chika (Teranishi) Iitoyo
Yuki  Onoe
Tao  Feng, Ph.D.
Christopher I. Donahue
Alexander B. Englehart
Long  Phan, Ph.D.
Derek  Lightner, Ph.D.
Elissa L. Sanford
Thomas M. Cunningham, Ph.D.
Marina I. Miller, Ph.D.
Sameer  Gokhale
Christopher  Ricciuti
Robert W. Downs
Alec M. Royka
Yuanyi (Alex) Zhang, Ph.D.
Diane  Jones
Robert  Tarcu
Colin B. Harris
Norman F. Oblon
Brian B. Darville
Akihiro  Yamazaki
Steven B. Chang
Arthur I. Neustadt
Craig R. Feinberg
James R. Love
Kurt M. Berger, Ph.D.
Frank J. West


Artificial Intelligence (AI)
Artificial Intelligence (AI)
Digital Health
Digital Health
Energy & Renewables
Energy & Renewables

Fast Facts

About Our

Law Firm

About Our Law Firm

Headquartered within steps of the USPTO with an affiliate office in Tokyo, Oblon is one of the largest law firms in the United States focused exclusively on intellectual property law.

Get to know our


Get to know our History

Norman Oblon with Stanley Fisher and Marvin Spivak launched what was to become Oblon, McClelland, Maier & Neustadt, LLP, one of the nation's leading full-service intellectual property law firms.

Our Local and

Global Reach

Our Local and Global Reach

Outside the US, we service companies based in Japan, France, Germany, Italy, Saudi Arabia, and farther corners of the world. Our culturally aware attorneys speak many languages, including Japanese, French, German, Mandarin, Korean, Russian, Arabic, Farsi, Chinese.

A few of our


A few of our ACCOLADES

Oblon's professionals provide industry-leading IP legal services to many of the world's most admired innovators and brands.




From the minute you walk through our doors, you'll become a valuable part of a team that fosters a culture of innovation, client service and collegiality.

A few ways to

GET In Touch

A few ways to GET In Touch
US Office

Telephone: 703-413-3000
Learn More +

Tokyo Office

Telephone: +81-3-6212-0550
Learn More +


Patent Forms

Downloadable Patent Forms

The United States Patent and Trademark Office (USPTO) issued final rules implementing the inventor's oath or declaration provisions of the America Invents Act (AIA) on August 14, 2012.

Doctrine of Equivalents, Where Are We Now?

Schedule : at Live Webinar - Hosted by IAM

Associated People

Associated Practices

Infringement under the doctrine of equivalents (DOE) is the sometimes overlooked sibling of literal infringement. While claim construction plays a critical role in patent litigation and often resolves issues of at least literal infringement, DOE may still be available even after claim construction. Recent decisions from the Federal Circuit have shown that the DOE is alive and well. Most surprisingly, even claim elements added by amendment during prosecution can still be infringed under the DOE. We will discuss recent DOE decisions and the Federal Circuit’s current approach to the DOE.

Andrew Ollis and Alec Royka are the speakers.