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

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


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.

Jenchieh (Joseph) Yuan

Jenchieh (Joseph) Yuan

Patent Agent
T: (703) 412-3523
F: (703) 413-2220
Download Summary PDF
Download Detailed PDF

Jenchieh (Joseph) Yuan, is a patent agent in the firm’s Electrical/Mechanical practice group. He specializes in U.S. patent prosecution, focusing on drafting new patent applications, responding to office actions, coordinating examiner’s amendments between examiners and clients, and providing technical support for litigation proceedings. He is also experienced in Chinese and Taiwanese patent prosecution.

Mr. Yuan has worked on patent applications for top Taiwanese technology companies, including: MediaTek, Acer Inc., High Tech computer Corporation (HTC), ChungHwa Telecom Co., Ltd., Siliconware Precision Industries Co., Ltd., Industrial Technology Research Institute, etc. His experience covers various technical fields, such as electronics, computer architecture, telecommunication hardware, telecommunication network protocols and semiconductor manufacturing. Mr. Yuan has worked on patent applications for AMD, GlobalFoundries, Samsung and many others.


  • Worcester Polytechnic Institute (MSEE)
  • National Taiwan University (BSEE)


  • Mandarin