直 Japanese PDF Font
  • Our Professionals
  • Our Work
  • Our Insights
  • Offices
  • Firm
  • Careers
Finnegan
  • Articles & Books
    • Ad Law Buzz Blog
    • At the PTAB Blog
    • European IP Blog
    • Federal Circuit IP Blog
    • INCONTESTABLE® Blog
    • Prosecution First Blog
  • Events & Webinars
  • IP Updates
  • Podcasts
    • AI + Finnegan
    • AI + Copyright
    • AI + Patent
    • AI + Privacy
    • AI + Trade Secrets
    • AI + Trademark
  • Unified Patent Court (UPC) Hub

Article

To Join or Not to Join?

January 2021

CIPA Journal

By Courtney A Bolin; Timothy P. McAnulty

Before the Patent Trial and Appeal Board (‘PTAB’ or ‘Board’), joinder is a procedure that permits a party to join an earlier-filed inter partes review (‘IPR’) proceeding. Under 35 U.S.C. §315(c), the Director of the United States Patent and Trademark Office (‘USPTO’) may join, to an instituted IPR, any person who properly files a petition that meets the requirements set out under 35 U.S.C. §311. Importantly, the one-year time bar for filing petitions after a party is sued for infringement (separately set by statute) does not apply to a request for joinder.

Read the full article here.

Tags

Patent Trial and Appeal Board (PTAB), United States Patent and Trademark Office (USPTO), joinder, Precedential Opinion Panel (POP)

Downloadable Files

  • PUBLISHED - CIPA Journal - To Join or Not to Join - TPM CAB - 01.2021

Related Practices

Patent Office Invalidation Proceedings

PTAB Invalidation Proceedings: IPR and PGR

Related Offices

Washington, DC

Related Professionals

Timothy P. McAnulty
Partner
Washington, DC
+1 202 408 4348
Email

Originally printed in CIPA Journal on January 2021. This article is for informational purposes, is not intended to constitute legal advice, and may be considered advertising under applicable state laws. This article is only the opinion of the authors and is not attributable to Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, or the firm’s clients.

Related Insights

Hybrid Conference

Intellectual Property Law Institute 2026 – California

October 19-20, 2026

San Francisco

Hybrid Conference

Intellectual Property Law Institute 2026 – New York

September 28-29, 2026

New York

Conference

Singapore IP Week 2026

August 26-27, 2026

Conference

13th Annual Summit for Women Leaders in Life Sciences Law

July 29-30, 2026

Boston

Webinar

Successful Strategies to Win Alice Motions and Fee Awards in Patent Cases Against Non-Practicing Entities

July 22, 2026

Webinar

Federal Circuit IP Blog

“2” Does Not Provide Written Description Support for “1”: Federal Circuit Affirms District Court’s Invalidation of Patent

July 8, 2026

At the PTAB Blog

Deadline Evolution: Director Extends Deadline for Requesting Director Review of Institution Grants to 30 Days

June 30, 2026

Federal Circuit IP Blog

Mere Invalidity of Asserted Claims Does Not Render Patent Infringement Case Exceptional or Warrant Sanctions

June 26, 2026

Federal Circuit IP Blog

Federal Circuit Holds Defend Trade Secrets Act Claim Untimely Filed

June 22, 2026

Due to international data regulations, we’ve updated our privacy policy. Click here to read our privacy policy in full.

  • Privacy
  • Disclaimer
  • Legal Notices
  • Fraud Alert
  • EEO Statement
  • Cookies
  • Contact Us

© 2026 Finnegan, Henderson, Farabow, Garrett & Dunner, LLP