Tagged as: IPR

PTAB Issues Final Written Decision Finding Immunex’s Patent at Issue in Dupixent® Litigation Unpatentable

Yesterday, the PTAB issued final written decisions in two IPR proceedings (IPR2017-01884 and IPR2017-01879) it instituted on February 15, 2018 against U.S. Patent No. 8,679,487 (the ’487 patent), held by Immunex.  The ’487 patent is directed to isolated human antibodies that compete with a reference antibody for binding to human interleukin-4 (IL-4) receptor. …

Read More

Proposed Amendment to Hatch-Waxman and BPCIA Could Curb IPRs by Generic and Biosimilar Applicants (Updated)

  On June 13, Senator Orrin Hatch (R-UT), co-author of the Drug Price Competition and Patent Term Restoration Act (aka the “Hatch-Waxman Act”), proposed an amendment in the Senate Judiciary Committee to modify the inter partes review (IPR) process for pharmaceuticals.  The amendment, titled the Hatch-Waxman Integrity Act of 2018, would require…

Read More

Federal Circuit Certifies AbbVie's Constitutional Challenge in Consolidated Adalimumab IPR Appeals to U.S. Attorney General

As we previously reported, currently pending before the Federal Circuit are consolidated appeals from five final written decisions of the Patent Trial and Appeal Board (Board) in inter partes review (IPR) proceedings finding the claims of AbbVie’s U.S. Patent Nos. 8,889,135, 9,017,680, and 9,073,987 unpatentable for obviousness in view of…

Read More

Hoffman-La Roche Disclaims Patent Claims in Response to IPR

As we previously reported, Pfizer filed a petition for IPR of certain claims of Hoffman-La Roche’s U.S. Patent No. 8,314,225 (IPR2018-01219).  According to the petition, the challenged claims “purport to claim nucleic acid sequences that encode the C-terminal part of a human immunoglobulin heavy chain and a method for improving the expression…

Read More