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

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


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.

Eight Oblon Attorneys Recognized as Best Lawyers 2020

  • August 15, 2019
  • Firm News

Eight Oblon attorneys have been named to the 2020 edition of Best Lawyers in America. Best Lawyers is the oldest and most respected peer-review publication in the legal profession, and has been published for more than three decades, earning the respect of the profession, the media and the public as the most reliable, unbiased source of legal referrals. Attorneys are nominated and reviewed by their peers on the basis of professional expertise. These Oblon attorneys are listed in the 2020 Edition:

o    Michael R. Casey (*)

  • Patent Law

o    Charles L. Gholz (2010) [10]

  • Litigation – Patent

o    Derek Mason (*)

  • Patent Law

o    Gerald J. Mossinghoff (2010) [10]

  • Patent Law

o    Arthur I. Neustadt (2006) [15]

  • Litigation - Intellectual Property
  • Litigation - Patent
  • Patent Law

o    Norman F. Oblon (2011) [10]

  • Patent Law

o    Andrew M. Ollis (*)

  • Patent Law

o    Eric W. Schweibenz (*)

  • Patent Law


(Year) First year the lawyer was listed in any practice area.
(*) Lawyers who are listed for the first time in Best Lawyers.
[#] Anniversary plaque for which lawyer is eligible (5, 10, 15, 20, 25, or 30 years).