The America Invents Act has ushered in a variety of new ways to challenge patents at the U.S. Patent and Trademark Office. Learn More

Learn about inter partes review (IPR), covered business method review (CBM), post-grant review (PGR), reexaminations, derivation proceedings, and interferences. Learn More

Most recent patent office litigation statistics regarding volume and timing from the USPTO from 2007-2013. Learn More

Concise definitions and discussions of important patent office litigation concepts and terminology. Learn More

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Quick Stat

522

Total Number of petitions for Covered Business Method review filed as of June 22, 2017

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6510

Total Number of petitions for Inter Partes Review filed as of June 22, 2017

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Patent Office Litigation - Order Your Copy Today

A key publication for patent owners, litigators, and IP professionals operating in today’s global economy, Patent Office Litigation is a two-volume set focused on the new contested proceedings under the America Invents Act. This book examines how the proceedings interact with other aspects of patent procurement and enforcement, and delivers practical analysis and advice. To order your copy of Patent Office Litigation today, click here.

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Real Party in Interest

The real party in interest requirement is closely tied to the inter partes reexamination estoppel provisions.

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Jun 22, 2017

PTO Litigation Report – June 22, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More

Jun 21, 2017

PTO Litigation Report – June 21, 2017

Listed below are all new filings before PTAB of requests for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

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Jun 20, 2017

PTO Litigation Report – June 20, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More

Jun 16, 2017

PTO Litigation Report – June 16, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More

Jun 15, 2017

PTO Litigation Report – June 15, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jun 14, 2017

PTO Litigation Report – June 14, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jun 13, 2017

PTO Litigation Report – June 13, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jun 9, 2017

PTO Litigation Report – June 9, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More

Jun 8, 2017

PTO Litigation Report – June 8, 2017

Listed below are all new filings before the PTAB of petitions for inter partes review (IPR) and covered business methods review (CBM).  Also listed are any newly-posted requests for ex parte reexamination at the USPTO.

Learn More

Jun 7, 2017

PTO Litigation Report – June 7, 2017

Listed below are all new filings before PTAB of requests for inter partes review (IPR), covered business methods review (CBM), and post grant review (PGR).  Since the last report, no new requests for ex parte reexamination at the USPTO have been posted.

Learn More