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

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


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.

Brian B. Darville

Brian B. Darville

Senior Counsel ∙ US Office
T: (703) 413-3000
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Brian Darville chairs the Trademark and Copyright Practice Group at Oblon. He has over two decades of litigation experience in federal courts throughout the U.S. focused primarily on trademark and copyright litigation. He counsels clients regularly on trademark, unfair competition, copyright, and ecommerce legal issues and has experience in all aspects of trademark and copyright prosecution, including clearance opinions, trademark portfolio management, licensing and enforcement. He regularly handles software copyright infringement litigation. Mr. Darville also frequently handles administrative proceedings before the Trademark Trial and Appeal Board.

Mr. Darville received a B.A. in Economics from the University of Virginia, his law degree (Juris Doctor) from the University of Virginia School of Law, and an LL.M. in Patent and Intellectual Property Law, with Highest Honors, from the George Washington University Law School.

He is admitted to practice before the Virginia State Bar and the District of Columbia Bar. He is also admitted to practice before numerous United States District Courts and United States Circuit Courts of Appeals.

Mr. Darville is a member of the International Trademark Association, the American Intellectual Property Law Association, the Copyright Society of the U.S.A., as well as other professional associations.

He speaks and writes frequently on trademark, copyright and ecommerce legal issues.


  • University of Virginia (J.D.)
  • George Washington University Law School (LL.M., highest honors)
    • Patent & Intellectual Property Law
  • University of Virginia (B.A.)
    • Economics


  • Virginia
  • District of Columbia
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. District Court for the District of Colorado
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court for the Western District of Virginia
  • U.S. District Court for the Eastern District of Wisconsin

Professional Affiliations

  • American Intellectual Property Law Association
    • Board of Directors, 2009-2012
    • Chair, Trademark Law Committee, 2005-2007
    • Vice Chair, Trademark Law Committee, 2004-2005
    • Chair, Trademark Internet/Cyberspace Committee, 2002-2004
    • Vice Chair, Trademark Internet/Cyberspace Committee, 2001-2002
  • Copyright Society of the U.S.A.
  • Federal Bar Association
  • International Trademark Association
    • Membership Committee, Law Firm Subcommittee, 2007-2009
    • Editorial Board Member, The Trademark Reporter, 2002-2003
  • Internet Law & Business
    • Trademark Editor, 2004-Present
  • Legal Services of Northern Virginia
    • Board of Directors, 2006-2008
  • Licensing Executives Society