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Finnegan
Yinan Liu, Ph.D.
Associate
More
vCard
  • Two Seaport Lane
  • Boston, MA 02210-2001
+1 617 646 1652
yinan.liu@finnegan.com yinan.liu@finnegan.com

Yinan Liu, Ph.D.

Associate

  • +1 617 646 1652 +1 617 646 1652
  • yinan.liu@finnegan.com yinan.liu@finnegan.com
  • Two Seaport Lane
  • Boston, MA 02210-2001
  • vCard

Yinan Liu, Ph.D., focuses on inter partes review (IPR) proceedings before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO), litigation in district courts, investigations before the U.S. International Trade Commission (ITC), and appeals before the U.S. Court of Appeals for the Federal Circuit. Yinan's practice includes patent prosecution, strategic client counseling, and portfolio development.

Yinan leverages her extensive experience across an array of technical areas, including WiFi, LTE/4G/5G telecommunications, computer networks, artificial intelligence (AI), cloud computing, secure communication and encryption, haptic feedback technology, mobile applications, digital rights management, medical devices, semiconductors, and radio frequency (RF) technologies. Her experience related to standard essential patents (SEPs) in the wireless local-area network (WLAN) and telecommunications field involves analyzing secure sockets layer (SSL) and transport layer security (TLS) protocols; the Institute of Electrical and Electronics Engineers (IEEE) 802.11, 3rd Generation Partnership Project (3GPP); and high efficiency video coding (HEVC) documents and standards.

While in law school, Yinan was an editor for the Harvard Journal of Law & Technology and held a leadership role in Harvard Law School's Blockchain and Fintech Initiative (HLSBFI). Her doctorate dissertation work focused on signal processing, phase array antenna and RF design for medical devices. During her undergraduate studies, Yinan worked as a research assistant in a wireless communication lab and interned with the computer graphics group of world-class research lab in China.

Yinan has been recognized on the Massachusetts Supreme Judicial Court's Pro Bono Honor Roll and on the Capital Pro Bono Honor Roll.

Experience

Bell Northern Research, LLC v. MediaTek Inc. et al.

Obtained favorable settlement prior to trial at the U.S. International Trade Commission (ITC) after obtaining a finding of indefiniteness of one of three asserted patents, institution of inter partes review (IPR) of another patent, and filing an offensive case seeking damages, inter alia, in the form of attorneys’ fees for being forced to defend against Bell Northern’s assertion of patents in violation of FRAND licensing obligations.

337-TA-1367, ITC, Judge Moore
2:23-cv-10783, C.D. Cal., Judges Anelle-Rocha, Eick
IPR2023-01414, PTAB, Judges Abraham, Cass, Hamann

NXP USA Inc. v. MediaTek, Inc. et al.

Represented defendants MediaTek Inc. and MediaTek USA Inc. in a standard essential patent (SEP) suit relating to WiFi semiconductors. The case was successfully settled.

2:21-cv-00318, E.D. Tex., Judge Gilstrap

Insights

Articles

Trending at the PTAB: The Journey of IPR Institution in 2025

Trending at the PTAB: The Journey of IPR Institution in 2025 Trending at the PTAB: The Journey of IPR Institution in 2025

January 5, 2026

Law360

Articles

D. Mass. Patent Litigation Update: December 2024

D. Mass. Patent Litigation Update: December 2024 D. Mass. Patent Litigation Update: December 2024

January 29, 2025

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

Trending at the PTAB: Multiple Petitions in IPRs

Trending at the PTAB: Multiple Petitions in IPRs Trending at the PTAB: Multiple Petitions in IPRs

July 11, 2024

Law360

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

At the PTAB Blog

USPTO Extends Director Review Option to Institution Decisions, Retires the Precedential Opinion Panel, and Updates Interim DR Procedures USPTO Extends Director Review Option to Institution Decisions, Retires the Precedential Opinion Panel, and Updates Interim DR Procedures

July 31, 2023

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News

Award/Ranking

60 Finnegan Attorneys Named to 2023 Capital Pro Bono Honor Roll

60 Finnegan Attorneys Named to 2023 Capital Pro Bono Honor Roll

May 15, 2024

Professional Activities

  • PTAB Bar Association
    (Women's Comittee, 2022-present)
Admissions and Education

Admissions

  • U.S. Patent and Trademark Office
  • Texas
  • Massachusetts
  • U.S. District Court, E.D. Texas

Education

Harvard Law School
J.D., 2021
Texas A&M University
Ph.D., Electrical and Computer Engineering, 2012
University of Science and Technology of China
B.S., Electrical and Computer Engineering, with honors, 2004

Languages

  • Chinese (Cantonese and Mandarin)

Yinan's Practices

AI + Finnegan
AI + Patent
AI + Trade Secrets
Diligence, Licensing, and Opinions
Standard Essential Patents (SEPs)
Global IP Enforcement, Litigation, and Trials
ITC Section 337 Investigations and Trials
Patent Litigation and Trials
Standard Essential Patents (SEPs)
Trade Secrets
Patent Office Invalidation Proceedings
PTAB Invalidation Proceedings: IPR and PGR
Prosecution and Portfolio Management
Opinions and Counseling
Patent Drafting and Prosecution
Standard Essential Patents (SEPs)

Yinan's Industries

AI, Electronics, and Information Technology
Artificial Intelligence (AI) and Machine Learning (ML)
Augmented Reality/Virtual Reality (AR/VR)
Electrical and Computer Technology
Electronic Devices and Components
Robotics
Communications
Financial Services and Business Systems
Internet of Things (IoT)
Media
Energy
Clean Energy and Renewables
Hospitality, Gaming, and Leisure
Gaming
Life Sciences
Digital Health
Medical Device and Diagnostics

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