WSGR logoWSGR logo
WSGR logo
  • Experience
  • People
  • Insights
  • About Us
  • Careers

  • Practice Areas
  • Industries

  • Corporate
  • Intellectual Property
  • Litigation
  • Patents and Innovations
  • Regulatory
  • Technology Transactions

  • Capital Markets
  • Corporate Governance
  • Corporate Life Sciences
  • Derivatives
  • Emerging Companies and Venture Capital
  • Employee Benefits and Compensation
  • Energy and Climate Solutions
  • Executive Advisory Program
  • Finance and Structured Finance
  • Fund Formation
  • Greater China
  • Mergers & Acquisitions
  • Private Equity
  • Public Company Representation
  • Real Estate
  • Restructuring
  • Shareholder Engagement and Activism
  • Tax
  • U.S. Expansion
  • Wealthtech

  • Special Purpose Acquisition Companies (SPACs)

  • Environmental, Social, and Governance

  • AI and Data Center Infrastructure
  • Energy Regulation and Competition
  • Project Development and M&A
  • Project Finance and Tax Credit Transactions
  • Sustainability and Decarbonization
  • Transportation Electrification

  • U.S. Expansion Library and Resources

  • Post-Grant Review
  • Trademark and Advertising

  • Antitrust Litigation
  • Arbitration
  • Board and Internal Investigations
  • Class Action Litigation
  • Commercial Litigation
  • Consumer Litigation
  • Corporate Governance Litigation
  • Employment Litigation
  • Executive Branch Updates
  • Government Investigations
  • Internet Strategy and Litigation
  • Patent Litigation
  • Securities Litigation
  • State Attorneys General
  • Supreme Court and Appellate Practice
  • Trade Secret Litigation
  • Trademark and Copyright Litigation
  • Trial
  • White Collar Crime

  • Advertising, Promotions, and Marketing
  • Antitrust and Competition
  • Committee on Foreign Investment in the U.S. (CFIUS)
  • Communications
  • Data, Privacy, and Cybersecurity
  • Export Control and Sanctions
  • FCPA and Anti-Corruption
  • FDA Regulatory, Healthcare, and Consumer Products
  • Federal Trade Commission
  • Fintech and Financial Services
  • Government Contracts
  • National Security and Trade
  • Payments
  • State Attorneys General
  • Strategic Risk and Crisis Management
  • Tariffs, Customs, and Import Compliance

  • Antitrust and Intellectual Property
  • Antitrust Civil Enforcement
  • Antitrust Compliance and Business Strategy
  • Antitrust Criminal Enforcement
  • Antitrust Litigation
  • Antitrust Merger Clearance
  • European Competition Law
  • Third-Party Merger and Non-Merger Antitrust Representation

  • Anti-Money Laundering
  • Foreign Ownership, Control, or Influence (FOCI)
  • Team Telecom

  • AI in Healthcare
  • Animal Health
  • Artificial Intelligence and Machine Learning
  • Aviation
  • Biotech
  • Blockchain and Cryptocurrency
  • Clean Energy
  • Climate and Clean Technologies
  • Communications and Networking
  • Consumer Products and Services
  • Data Storage and Cloud
  • Defense Tech
  • Diagnostics, Life Science Tools, and Deep Tech
  • Digital Health
  • Digital Media and Entertainment
  • Electronic Gaming
  • Fintech and Financial Services
  • FoodTech and AgTech
  • Global Generics
  • Internet
  • Life Sciences
  • Medical Devices
  • Mobile Devices
  • Mobility
  • NewSpace
  • Quantum Computing
  • Semiconductors
  • Software

  • Offices
  • Country Desks
  • Events
  • Community
  • Our Diversity
  • Sustainability
  • Our Values
  • Board of Directors
  • Management Team

  • Austin
  • Boston
  • Boulder
  • Brussels
  • Century City
  • Hong Kong
  • London
  • Los Angeles
  • New York
  • Palo Alto
  • Salt Lake City
  • San Diego
  • San Francisco
  • Seattle
  • Shanghai
  • Washington, D.C.
  • Wilmington, DE

  • Law Students
  • Judicial Clerks
  • Experienced Attorneys
  • Patent Agents
  • Business Professionals
  • Alternative Legal Careers
  • Contact Recruiting
Tasha M. Thomas
Associate
Litigation
Washington, D.C.
tthomas@wsgr.com

D202-973-8883

Download vCard
Open PDF

Tasha Thomas is an associate in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where her practice focuses on proceedings before the Patent Trial and Appeal Board of the U.S. Patent and Trademark Office under the America Invents Act and appeals before the U.S. Court of Appeals for the Federal Circuit.  She has experience in matters covering a wide range of technologies, including mechanical devices, optical systems, medical devices, and pharmaceuticals.  She is involved in all stages of AIA post-grant proceedings, from pre-institution briefing, trial before the Board, to subsequent appeals before the Federal Circuit.

Experience

Tasha Thomas is an associate in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where her practice focuses on proceedings before the Patent Trial and Appeal Board of the U.S. Patent and Trademark Office under the America Invents Act and appeals before the U.S. Court of Appeals for the Federal Circuit.  She has experience in matters covering a wide range of technologies, including mechanical devices, optical systems, medical devices, and pharmaceuticals.  She is involved in all stages of AIA post-grant proceedings, from pre-institution briefing, trial before the Board, to subsequent appeals before the Federal Circuit.

Education
  • J.D., The George Washington University Law School, 2014
  • B.S., Mechanical Engineering, Massachusetts Institute of Technology, 2009
Admissions
  • Bar of the District of Columbia
  • State Bar of Maryland
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Patent and Trademark Office
Credentials
Education
  • J.D., The George Washington University Law School, 2014
  • B.S., Mechanical Engineering, Massachusetts Institute of Technology, 2009
Admissions
  • Bar of the District of Columbia
  • State Bar of Maryland
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Patent and Trademark Office

Select Matters

  • Mylan Pharms. Inc. v. Sanofi-Aventis Deutschland GmbH, IPR2018-01670, IPR2018-01675, IPR2018-01676, IPR2018-01678, IPR2018-01679, IPR2018-01680, IPR2018-01682, IPR2019-00122 (P.T.A.B.)

    • Represented Mylan Pharmaceuticals, Inc., as Petitioner, securing favorable final written decisions finding challenged claims relating to a pen-type injector for drug delivery unpatentable
    • Represented Mylan as appellee in securing affirmances in appeals before the Federal Circuit
  • Align Tech., Inc. v. 3Shape A/S, IPR2020-01087 (P.T.A.B.)

    • Represented Align Technologies, Inc., as Petitioner, securing a final written decision finding all challenged claims relating to an optical three-dimensional surface scanning system unpatentable
  • Palette Life Sciences, Inc. v. Incept LLC, IPR2020-00002, IPR2020-00004 (P.T.A.B.)

    • Represented Palette Life Sciences, Inc., as Petitioner, securing final written decisions finding all challenged claims relating to injectable filler materials for radiation therapy unpatentable
    • Currently representing Palette as appellee in appeals before the Federal Circuit
  • Pain Point Med. Sys., inc. v. Blephex, LLC, IPR2016-01670 (P.T.A.B.)

    • Represented Blephex, LLC, as Patent Owner, securing a final written decision finding all challenged claims relating to an eyelid abrasion device not unpatentable
Matters

Select Matters

  • Mylan Pharms. Inc. v. Sanofi-Aventis Deutschland GmbH, IPR2018-01670, IPR2018-01675, IPR2018-01676, IPR2018-01678, IPR2018-01679, IPR2018-01680, IPR2018-01682, IPR2019-00122 (P.T.A.B.)

    • Represented Mylan Pharmaceuticals, Inc., as Petitioner, securing favorable final written decisions finding challenged claims relating to a pen-type injector for drug delivery unpatentable
    • Represented Mylan as appellee in securing affirmances in appeals before the Federal Circuit
  • Align Tech., Inc. v. 3Shape A/S, IPR2020-01087 (P.T.A.B.)

    • Represented Align Technologies, Inc., as Petitioner, securing a final written decision finding all challenged claims relating to an optical three-dimensional surface scanning system unpatentable
  • Palette Life Sciences, Inc. v. Incept LLC, IPR2020-00002, IPR2020-00004 (P.T.A.B.)

    • Represented Palette Life Sciences, Inc., as Petitioner, securing final written decisions finding all challenged claims relating to injectable filler materials for radiation therapy unpatentable
    • Currently representing Palette as appellee in appeals before the Federal Circuit
  • Pain Point Med. Sys., inc. v. Blephex, LLC, IPR2016-01670 (P.T.A.B.)

    • Represented Blephex, LLC, as Patent Owner, securing a final written decision finding all challenged claims relating to an eyelid abrasion device not unpatentable
Focus Areas
  • Intellectual Property
  • Litigation
  • Patent Litigation
  • Post-Grant Review
Recent Insights
Client Highlights
Wilson Sonsini Defends Win in Xarelto Appeal
On September 23, 2025, the U.S. Court of Appeals affirmed a decision of the Patent Trial and Appeal Board (PTAB) holding key patent claims covering Bayer's Xarelto product unpatentable. Wilson Sonsini represented Mylan Pharmaceuticals in the challenge before the PTAB and at the Federal Circuit. 
Learn More
Client Highlights
Wilson Sonsini Convinces Federal Circuit to Vacate and Remand Adverse PTAB Decision
On June 20, 2025, Wilson Sonsini obtained a significant Federal Circuit victory on behalf of Mylan. A team of the firm’s patent litigators successfully appealed an adverse decision by the Patent Trial and Appeal Board (PTAB) concerning a foundational patent protecting the brand product Trulance®. In a unanimous panel opinion, the Federal Circuit vacated the adverse decision and remanded the case to the PTAB.
Learn More
View All
  • people
  • insights
  • about us
  • careers
  • Binder
  • Alumni
  • Mailing List Signup
  • Client FTP Portal
  • Privacy Policy
  • Terms of Use
  • Accessibility
WSGR logo
Twitter
LinkedIn
Facebook
Instagram
Youtube
Copyright © 2026 Wilson Sonsini Goodrich & Rosati. All Rights Reserved.