Philip Z. Wang*


Office: +1 (703) 995-9887

Mobile: +1 (832) 231-8895


1765 Greensboro Station Place, Suite 900
McLean, VA 22102

  • Philip Wang LinkedIn


J.D., University of Houston Law Center

B.S., Shanghai Jiaotong University, Electrical Engineering


Texas State Bar

U.S. Court of Appeals for the Federal Circuit

U.S. District Court for the Southern District of Texas

U.S. District Court for the Western District of Texas

U.S. District Court for the District of Colorado

U.S. Patent and Trademark Office (Limited Recognition)

State Intellectual Property Office of PRC (China Patent Agent)


Philip Wang brings to Bayes his extensive experience in IP procurement, enforcement, and counseling, gained through a decade-long career in private practice and as an in-house counsel of multinational corporations.  


Prior to Bayes PLLC, Philip has worked for Sony Corporation in Japan, Kangxin Partners, PC in China, Prebeg, Faucett & Abbott, PLLC in the United States, and most recently SZ DJI Technology Co., Ltd. in China.  Having practiced in different countries, Philip has developed unique perspectives on global IP protection, and can work fluently using Chinese, English, and Japanese languages.  Philip is determined to bring his global vision, breadth of knowledge, and trilingual ability to Bayes clients.


Philip litigates patent cases frequently before the U.S. federal district courts.  His litigation expertise extends across all corners of patent litigation, including client counseling, pre-suit investigation, drafting of pleadings, motions, and infringement and invalidity contentions, advocating claim construction, leading discovery, and participating in hearings and trials.  He also handles appellate briefs before the Court of Appeals for the Federal Circuit, and advocates in complex commercial arbitration before the Hong Kong International Arbitration Centre.  Philip led the global IP litigation and copyright compliance team at the world’s largest drone company, and obtained favorable results for the company in various U.S. district courts and at the E.U. customs and trade shows. 


Aside from chairing contentious matters, Philip is also highly experienced in patent drafting and prosecution, having handled hundreds of patent applications before the USPTO, SIPO, JPO, and EPO in a wide variety of technical fields, including semiconductor and its manufacturing process, image sensors, cameras, lenses, LCD, OLED, telecommunication, artificial intelligence, drones, and e-cigarettes.  Philip is capable of drafting high-quality and complex patent applications in both Chinese and English.  As an in-house counsel, he also enhanced the IP awareness and protection for his employers through numerous FTO, due diligence, licensing, and pre-suit investigation projects. 

Practice Areas

Patent Office Practice

  • Utility and Design Patent Drafting

  • Utility and Design Patent Prosecution

  • Appeals to the PTAB

  • Reexaminations

  • AIA PTAB Proceedings

  • Patent Prosecution in China

  • Patent Prosecution in Japan


Patent Litigation

  • District Court Litigation

  • Section 337 ITC Litigation

  • Settlement Negotiation

  • Pre-litigation Diligence


Other IP Disputes

  • IP Protection at EU Customs and Trade Shows

  • Online Merchant Takedown Resolutions

  • Arbitrations and Mediations

  • Enforcement of Standard Essential Patents (SEP)


Other Practices

  • Patent Licensing and Transactions

  • Due Diligence

  • Legal Opinions and Counseling

  • Global Portfolio Planning and Management

  • Copyright Protection and Compliance

  • IP Legislation in China

Representative Experience

Ultravision Technologies, LLC v. GoVision, LLC, 2:18-cv-100 (E.D. Tex.) (consolidated lead case)

Relevant technology: LED display panels


Certain Rotating 3-D LiDAR Devices, Components Thereof, and Sensing Systems Containing the Same


Relevant technology: rotary laser radar (LiDAR) devices


Ultravision Technologies, LLC v. LEDman Optoelectronics Co., Ltd. et al.


Judge Shaw

Relevant technology: Modular LED display panel

Beijing Choice Electronic Technology Co., Ltd. v. Contec Medical System USA Inc., et al.

N.D. Ill. 1:18-cv-00825

Judges Ellis, Valdez

Relevant technology: Pulse oximeters


In re 55 Brake LLC

Fed. Cir. 2014-1554

Relevant technology: Automobile brake system


Ushijima v. Samsung Electronics Co., Ltd., et al

W.D. Tex. 1:12-cv-00318

Relevant technology: LCD inverter


Johnson Safety Inc. v. Voxx International Corporation et al

C.D. Cal. 5:14-cv-02591

Relevant technology: In-vehicle video systems


KW-2, LLC v. ASUS Computer International Inc. et al

D. Colo. 1:15-cv-01023

Relevant technology: Li-ion battery


KW-2, LLC v. Hewlett-Packard Company

D. Colo. 1:15-cv-01024

Relevant technology: Li-ion battery


KW-2, LLC v. Dell Inc.

D. Colo. 1:15-cv-01025

Relevant technology: Li-ion battery

Presentations and Publications

Must Read! Defense Strategies in 337 Investigations

China Intellectual Property News, April 19, 2019

U.S. Intellectual Property Matters under the Cloud of Trade Barriers

SIPO Seminar, December 7, 2018

Professional Recognition

Certified Intellectual Property Expert by the Intellectual Property Office of Shenzhen Municipality of China


Chinese and Japanese

*practice under the supervision of VA admitted attorneys