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

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


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.

Akihiro  Yamazaki

Akihiro Yamazaki

Partner ∙ US Office
T: (703) 413-3000
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Akihiro Yamazaki is a partner in the firm's Chemical Patent Prosecution, Pharmaceutical/Medical Devices and Litigation practice groups. His practice includes patent litigation, opinions, client counseling, licensing advice, due diligence studies and the preparation and prosecution of patent applications.

A patent attorney and native of Japan, Mr. Yamazaki represents primarily foreign companies, including their U.S. affiliates and subsidiaries, with respect to a wide range of chemistry-related and pharmaceutical technologies. These technologies include active pharmaceutical ingredients, formulations, semiconductors, light-emitting diode (LED), organic light-emitting diode (OLED), and optical parts and components.

With experience in both litigating and prosecuting patents, Mr. Yamazaki frequently travels to Japan and counsels Japanese companies to identify issues and challenges and to protect their interests in the United States and worldwide. Mr. Yamazaki also provides advice regarding intellectual property matters through the United States Patent and Trademark Office (USPTO) and the U.S. court system, and legal trends impacting client industries.

Bar Membership Other Than Virginia


  • University of Connecticut School of Law (J.D.)
  • University of Florida (B.S.)
    • Chemistry
    • Phi Beta Kappa


  • New York
  • New Jersey
  • Registered to practice before the U.S. Patent and Trademark Office


  • Japanese

Professional Affiliations

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