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

Yuanyi (Alex) Zhang
Yanwen  Fei
Kasumi  Kanetaka
Christopher I. Donahue
Ryan W. Smith
Nicholas  Rosa, Ph.D.
Akihiro  Yamazaki
Alexander B. Englehart
Jenchieh (Joseph) Yuan
John S. Kern
Johnny  Ma
Colin B. Harris
Chika (Teranishi) Iitoyo
Charles L. Gholz
Jianping (James)  Wu
Ching-Cheng (Tony)  Chang
Sameer  Gokhale
Long  Phan, Ph.D.
Nanlin  Wang, Ph.D.
Brian B. Darville
Robert W. Downs
Eckhard H. Kuesters
Edwin D. Garlepp
Arthur I. Neustadt
John F. Presper
Maki  Saitoh
Carl E. Schlier
Matthew H. Everhart, Ph.D.
Jay E. Rowe, Jr., Ph.D.
Kevin Ross  Davis
James R. Love
Robert T. Pous
Vincent K. Shier, Ph.D.
Kevin L. Hartman, Ph.D.
Soumya  Panda
John  Sipos
Erik M. Stang, Ph.D.
Kurt M. Berger, Ph.D.
Anna Z. Lloyd
Richard D. Kelly
Yuki  Onoe
Bogdan A. Zinchenko
Marina I. Miller, Ph.D.
Yin Y. Nelson, Ph.D.
Alec M. Royka
Peifang  Tian, Ph.D.
Elissa L. Sanford
Craig R. Feinberg
J. Derek  Mason, Ph.D., CLP
Jeffrey B. McIntyre
Steven B. Chang
Grace E. Kim
Robert  Tarcu
Kevin M. McKinley
Derek  Lightner, Ph.D.
Aldo  Martinez
Aristotelis M. Psitos
Thomas M. Cunningham, Ph.D.
Norman F. Oblon
Tao  Feng, Ph.D.
Philippe J.C. Signore, Ph.D.
Christopher  Ricciuti
Andrew M. Ollis
Stefan Uwe  Koschmieder, Ph.D.
Stephen G. Baxter, Ph.D.
David M. Longo, Ph.D.
Michael R. Casey, Ph.D.
Tia D. Fenton
Daniel J. Pereira, Ph.D.
Frank J. West
Eric W. Schweibenz
Dale M. Shaw
Yorikatsu  Hohokabe, Ph.D.
Diane  Jones
Teddy S. Gron
Surinder  Sachar


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.

Alexander B. Englehart

Alexander B. Englehart

Of Counsel ∙ US Office
T: (703) 412-6225
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Alexander B. Englehart is a registered patent attorney serving as Of Counsel in the firm’s Litigation Practice Group. He works on all areas of patent litigation in U.S. district courts, the ITC, and the USPTO. In addition, he provides legal opinions to help clients preemptively manage their risk as they develop new products and services. He was most recently a member of the winning ITC trial team in In re Certain Thermoplastic-Encapsulated Electric Motors II (337-TA-1073).

Mr. Englehart litigates cases involving such diverse technologies as mobile devices, wireless networking, sporting goods, automotive parts, metallurgy, and cosmetics. Mr. Englehart also advises clients on the interrelationship between district court, ITC, and post-grant proceedings at the USPTO. His cases often involve high-stakes litigation in conjunction with post-grant proceedings.

Mr. Englehart speaks regularly on ITC practice and other patent litigation topics.


  • University of Washington School of Law (J.D.)
  • University of California, Berkeley (B.A.)
    • Computer Science and Math


  • Virginia
  • Registered to practice before the U.S. Patent and Trademark Office
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Eastern District of Virginia
  • U.S. Supreme Court
  • Supreme Court of Virginia


  •  Managing Intellectual Property Magazine named "Rising Star" (2019)

Professional Affiliations

  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)