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

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


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Artificial Intelligence (AI)
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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.

Oblon Ranked in Top 10 Go-To Firms for PTAB Litigation

  • February 28, 2020
  • Firm News
  • Law360

Associated Practices

Law360 released the article “These Firms Racked Up the Most Patent Work Last Decade,” which lists the top ten ‘Go-To Firms’ for Patent Plaintiffs, Patent Suit Targets, and PTAB Litigation. Oblon is ranked in the Top Ten Go-To Firms for PTAB Litigation for 2012-2019.