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

539

Total Number of petitions for Covered Business Method review filed as of January 22, 2018

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7388

Total Number of petitions for Inter Partes review filed as of January 22, 2018

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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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Jan 22, 2018

PTO Litigation Report – January 22, 2018

Listed below are all new filings before 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.

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Jan 19, 2018

PTO Litigation Report – January 19, 2018

Listed below are all new filings before 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

Jan 18, 2018

PTO Litigation Report – January 18, 2018

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.

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Jan 17, 2018

PTO Litigation Report – January 17, 2018

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

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Jan 16, 2018

PTO Litigation Report – January 16, 2018

Since the last report, there have been 54 new IPR/PGR petitions filed.  Listed below are all newly-posted requests for ex parte reexamination at the USPTO.

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Jan 12, 2018

PTO Litigation Report – January 12, 2018

Listed below are all new filings before 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.

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Jan 11, 2018

PTO Litigation Report – January 11, 2018

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.

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Jan 10, 2018

PTO Litigation Report – January 10, 2018

Listed below are all new filings before 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

Jan 9, 2018

PTO Litigation Report – January 9, 2018

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.

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Jan 8, 2018

PTO Litigation Report – January 8, 2018

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