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

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


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.

John F. Presper

John F. Presper

Partner ∙ US Office
T: (703)412-3536
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John F. Presper is a partner in the firm’s Litigation and ITC Litigation practice groups. Mr. Presper represents and advises clients involved in patent and other intellectual property disputes in federal court, the ITC, and the USPTO (e.g. inter partes review proceedings). He was most recently a member of the winning ITC trial teams in Certain Thermoplastic-Encapsulated Electric Motors, Components Thereof, and Products and Vehicles Containing Same II (Inv. No. 337-TA-1073), Certain Thermoplastic-Encapsulated Electric Motors, Components Thereof, and Products and Vehicles Containing Same (Inv. No. 337-TA-1052), and Certain Windshield Wipers and Components Thereof (Inv. No. 337-TA-928/937). He also provides patentability, infringement, and validity opinions. Mr. Presper’s litigation experience and opinion work cover a broad range of technologies in the chemical, electrical, and mechanical arts. He has litigated cases involving such diverse technologies as medical devices, polymers, optics, automotive powertrains, communications protocols, and smartphones. Additionally, Mr. Presper has litigated trademark, copyright, and software license disputes in federal district court.

Mr. Presper actively contributes to the firm’s ITC 337 Law Blog, reporting on developments in new and pending investigations, litigation trends, and statistics. He also provides practical insights into the Administrative Law Judges and commentary on important ITC decisions.

Prior to joining the firm, Mr. Presper was a law clerk to the Honorable Thomas P. Smith of the United States District Court for the District of Connecticut. He is a named inventor on three U.S. patents directed to wireless diagnostic monitoring. 

Bar Membership Other Than Virginia


  • University of Connecticut School of Law (J.D.)
    • Certificate in Intellectual Property
    • Executive Editor, Connecticut Journal of International Law
  • Bucknell University (B.S.)
    • Chemical Engineering


  • Connecticut
  • District of Columbia
  • New York
  • Registered to practice before the U.S. Patent and Trademark Office
  • Supreme Court of the United States
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the District of Connecticut
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Western District of Michigan
  • U.S. District Court for the Eastern District of Michigan


Professional Affiliations

  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)
  • Federal Circuit Bar Association
  • ITC Trial Lawyers Association
  • Intellectual Property Owners Association