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Finnegan
Yi Yu, Ph.D.
Partner
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  • 1875 Explorer Street
  • Suite 800
  • Reston, VA 20190-6023
+1 571 203 2479
yi.yu@finnegan.com yi.yu@finnegan.com

Yi Yu, Ph.D.

Partner

  • +1 571 203 2479 +1 571 203 2479
  • yi.yu@finnegan.com yi.yu@finnegan.com
  • 1875 Explorer Street
  • Suite 800
  • Reston, VA 20190-6023
  • vCard

Yi Yu, Ph.D., practices all aspects of patent law, including patent litigation, post-grant proceedings, patent prosecution, patent portfolio development, and client counseling related to computers, consumer electronics, software, medical devices, and information systems.

Yi has experience in numerous aspects of litigation, including analyzing patents, developing infringement and validity strategies, drafting written discovery, managing document production, working with technical experts, preparing expert reports, and drafting motions and legal briefs. Her patent office practice includes drafting and prosecuting U.S. and foreign patent applications, and representing clients in post-grant review proceedings before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO).

Yi's diverse technological experience encompasses all aspects of electrical and computer technologies, including telecommunications, computer networks, image and video processing, medical devices, unmanned aerial systems, software, and business methods.

Prior to joining Finnegan, Yi worked as a technical staff member at Blackberry Limited, conducting research and standards development on 4G long term evolution (LTE) and LTE-Advanced telecommunication systems, and is a named inventor on more than one hundred U.S. patents. Her doctoral study focused on physical layer modeling for wireless communication systems. While conducting her research, Yi served as a technical program committee member and reviewer for various journals and conference proceedings of the Institute of Electrical and Electronics Engineers (IEEE) communications and signal processing societies.

Et Cetera

  • Recipient of CALI Excellence for the Future Award in Evidence, 2014 and Criminal Law, 2015.
  • First author.  "An Optimal Load Balancing and Its Heuristic Implementation in a Heterogeneous Wireless Network with Relays," IEEE Global Communications Conference, Dec. 2011.
  • First author.  "Mobile Association and Load Balancing in a Cooperative Relay Cellular Network," IEEE Communications Magazine, May 2011.
  • Coauthor. "Mobile Association in a Heterogeneous Network," IEEE International Conference on Communications, May 2010.
  • First author. "A Four-State Markov Frame Error Model for the Wireless Physical Layer," IEEE Wireless Communications and Networking Conference, March 2007.
  • Recipient of TxTEC Fellowship in Doctoral Study, 2001.

Experience

Two-Way Radio Equipment and Systems, Related Software, and Components Thereof

Represented respondents in investigation involving two-way radios and related audio features, including obtaining favorable decision on new designs.

337-TA-1053, ITC, Judge McNamara

Certain LTE Wireless Communication Devices and Components Thereof

Represented LG Electronics in offensive case against unlicensed seller of LTE mobile phones, resulting in settlement and license.

337-TA-1051, ITC, Judge Pender

Volkswagen Group of America, Inc. et al. v. Arigna Technology Limited

Represented Volkswagen as petitioner at the PTAB, where the Board instituted inter partes review (IPR) of the patent asserted in litigation.

IPR2021-01531, PTAB, Judges Ahmed, Baer, Fenick

Arigna Technology Limited v. Volkswagen AG, et al.

Achieved prominent wins for clients Volkswagen, Audi, Bentley, and Lamborghini by defending them against multiple allegations of patent infringement involving power electronics and power semiconductor structures at the International Trade Commission (ITC) and the Eastern District of Texas, and by securing institution of inter partes reviews (IPRs) on patents at issue at the Patent Trial and Appeal Board (PTAB).

337-TA-1267, ITC, Judge Bhattacharyya
IPR2021-01321, -01531, PTAB, Judges Baer, Fenick, Iftikhar
2:21-cv-00054; -00172, E.D. Tex., Judge Gilstrap

Bell Northern Research, LLC v. HMD America, Inc. et al.

Represented Unisoc Technologies Co. Ltd. in a patent litigation involving mobile phones and tablets. Secured a dismissal of the proceeding under Rule 12 with the Court holding it lacked personal jurisdiction over Unisoc.

1:22-cv-22706, S.D. Fla., Judge Scola

Sol IP, LLC v. Qualcomm Inc. et al.

Represented plaintiff Sol IP Inc. in a standard essential patent (SEP) suit relating to 5G, 4G LTE, and WiFi semiconductors. The case was successfully settled.

6:21-cv-00270, W.D. Tex., Judge Albright

More

Insights

Articles

Why Recent ITC Rulings Are Good News for SEP Owners and the Commission

Why Recent ITC Rulings Are Good News for SEP Owners and the Commission Why Recent ITC Rulings Are Good News for SEP Owners and the Commission

April 15, 2025

World Intellectual Property Review

Articles

Best Practices for Drafting and Prosecuting Standard-Essential Patents

Best Practices for Drafting and Prosecuting Standard-Essential Patents Best Practices for Drafting and Prosecuting Standard-Essential Patents

March 27, 2025

Reuters

Articles

Recent Filings and Decisions for Standard Essential Patents July and August 2024: U.S. CAFC, District Courts, PTAB, and European Courts

Recent Filings and Decisions for Standard Essential Patents July and August 2024: U.S. CAFC, District Courts, PTAB, and European Courts Recent Filings and Decisions for Standard Essential Patents July and August 2024: U.S. CAFC, District Courts, PTAB, and European Courts

October 18, 2024

Articles

Strategic Considerations for Defending Litigation over Standard-Essential Patents

Strategic Considerations for Defending Litigation over Standard-Essential Patents Strategic Considerations for Defending Litigation over Standard-Essential Patents

October 10, 2024

Westlaw Today

Articles

Recent Filings and Decisions for Standard Essential Patents May and June 2024: U.S. District Courts, PTAB, and European Courts

Recent Filings and Decisions for Standard Essential Patents May and June 2024: U.S. District Courts, PTAB, and European Courts Recent Filings and Decisions for Standard Essential Patents May and June 2024: U.S. District Courts, PTAB, and European Courts

July 26, 2024

Articles

Recent Filings and Decisions for Standard Essential Patents (SEP) April 2024: U.S. District Courts, PTAB, and European Courts

Recent Filings and Decisions for Standard Essential Patents (SEP) April 2024: U.S. District Courts, PTAB, and European Courts Recent Filings and Decisions for Standard Essential Patents (SEP) April 2024: U.S. District Courts, PTAB, and European Courts

June 10, 2024

More

News

Commentary

CBP Clears Redesigned Innoscience Chips After ITC Case CBP Clears Redesigned Innoscience Chips After ITC Case

March 12, 2026

Law360

Award/Ranking

56 Finnegan Attorneys Recognized on the 2024 Capital Pro Bono Honor Roll 56 Finnegan Attorneys Recognized on the 2024 Capital Pro Bono Honor Roll

April 24, 2025

DC Bar

Press Release

Finnegan Scores Major PTAB Victory for Innoscience that Rocks the Gallium Nitride (GaN) Power Semiconductor Industry Finnegan Scores Major PTAB Victory for Innoscience that Rocks the Gallium Nitride (GaN) Power Semiconductor Industry

March 24, 2025

Press Release

Twelve Attorneys Elevated to Finnegan Partnership Twelve Attorneys Elevated to Finnegan Partnership

January 7, 2025

Press Release

46 Finnegan Attorneys Named to 2021 Capital Pro Bono Honor Roll 46 Finnegan Attorneys Named to 2021 Capital Pro Bono Honor Roll

June 3, 2022

Professional Activities

  • IEEE Communications Society
  • IEEE Signal Processing Society
  • Virginia Bar Association
Admissions and Education

Admissions

  • U.S. Patent and Trademark Office
  • Virginia
  • U.S. Court of Appeals, Veterans Claims

Education

Georgetown University Law Center
J.D., cum laude, 2016
Texas A&M University
Ph.D., Electrical and Computer Engineering, 2006
Southeast University, Nanjing, China
M.Sc., Electrical and Computer Engineering, 2001
Southeast University, Nanjing, China
B. Eng., Electrical Engineering, 1998

Languages

  • Chinese (Mandarin)

Yi's Practices

AI + Finnegan
AI + Patent
Diligence, Licensing, and Opinions
Due Diligence
Opinions and Counseling
Standard Essential Patents (SEPs)
Global IP Enforcement, Litigation, and Trials
ITC Section 337 Investigations and Trials
Patent Litigation and Trials
Pretrial Strategies
Patent Office Invalidation Proceedings
PTAB Invalidation Proceedings: IPR and PGR
Prosecution and Portfolio Management
Appeals to the PTAB
IP Portfolio Management
Patent Drafting and Prosecution
Patent Mining and Mapping
Patent Reissues

Yi's Industries

AI, Electronics, and Information Technology
Artificial Intelligence (AI) and Machine Learning (ML)
Electrical and Computer Technology
Electronic Devices and Components
Robotics
Communications
Financial Services and Business Systems
Internet of Things (IoT)
Consumer Goods and Services
Consumer Products
Life Sciences
Medical Device and Diagnostics
Transportation and Logistics
Aerospace, Aviation, and Unmanned Aerial Systems (UAS)

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