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

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


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.

Steven B. Chang

Steven B. Chang

Senior Attorney ∙ US Office
T: (703) 413-3000
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Representative Matters

  • Provides patent prosecution and counsel to a leading aerospace manufacturer to develop and obtain a broad patent portfolio in a variety of technological fields.
  • Assists a leading automotive manufacturer in obtaining numerous patents.
  • Supports a leading manufacturer of semiconductor production equipment in developing a broad patent portfolio.