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

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


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.

Tao  Feng, Ph.D.

Tao Feng, Ph.D.

Technical Advisor ∙ US Office
T: (703) 236-2679
F: (703) 413-2220
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Tao Feng, Ph.D. is a technical advisor in the firm’s Electrical and Mechanical Patent Prosecution practice group where he focuses on drafting patent applications and patent prosecution for domestic and international clients. His 16-years of electrical and computer engineering training has  enabled him to develop diverse knowledge in many cutting-edge hardware and software technologies, with specialization in semiconductor processing and devices, integrated circuits design and manufacturing, modern wireless communications, Internet of Things, energy harvesting, mobile application, big data, and machine learning.

Prior to joining the firm, Dr. Feng was a Senior Electrical Engineer in a top RF semiconductor company which is a market leader in mobile communication. His role in this company covered design and testing of state-of-the-art RF front-end modules for 4G LTE/5G smartphones. During this time he launched several successful commercial products which have been widely used in millions of smartphones.

Dr. Feng also conducted research in energy harvesting and Internet of Things during his Ph.D. training. He has published more than ten peer-reviewed papers as the first author on IEEE journals and conferences. In addition, he also researched mobile applications, big data, and machine learning.

Dr. Feng is an active technical reviewer for IEEE Transactions on Biomedical Circuits and Systems, IEEE Transactions on VLSI Systems, IEEE Transactions on Circuits and Systems, IEEE BioCAS, IEEE ISCAS, and IEEE MWSCAS.


  • Michigan State University (Ph.D.)
    • Electrical and Computer Engineering
  • Tsinghua University, Beijing, China (M.S.)
    • Microelectronics
  • Tsinghua University, Beijing, China (B.S.)
    • Electronics Engineering


  • Excellent Student Scholarship in Tsinghua University, 2003 – 2007.
  • Best Paper Award of International Conference on Electronic Packaging Technology & High Density Packaging, 2008.

Selected Publications

  • Tao Feng, et al, “A CMOS System-on-Chip Architecture for Passive Ultrasonic Energy Harvesting and Back-telemetry”, IEEE Transaction on VLSI Systems, vol. 24, 2016.
  • Tao Feng, et al, “Self-powered Monitoring of Repeated Head Impacts using Time-dilation Energy Measurement Circuit”, IEEE Transaction on Biomedical Circuits and Systems, vol. 9, 2015.
  • Tao Feng, et al, “Hybrid CMOS Rectifier based on Synergistic RF Piezoelectric Energy Scavenging”, IEEE Transaction of Circuits and Systems I, vol. 61, 2014.
  • Tao Feng, et al, “High-Q On-Chip Inductors Embedded in Wafer-Level Package for RFIC Applications”, 2008 International Conference on Electronic Packaging Technology & High Density Packaging (NXP Semiconductor Best Paper Award).


  • Chinese