Tagged as: PTAB

Filgrastim PTAB Update

As we previously reported, earlier this year Kashiv Biosciences filed two inter partes review (IPR) petitions challenging certain claims of Amgen’s U.S. Patent Nos. 8,940,878 and 9,643,997, which are directed to methods to purify proteins expressed in a non-native soluble form in a non-mammalian expression system.  Amgen is asserting the ’878 and…

Read More

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

PTAB Issues Final Written Decisions Finding Two Of Sanofi’s Lantus Patents Invalid

Yesterday, December 12, 2018, the Board issued Final Written Decisions finding Claims 1-25 of U.S. Patent No. 7,476,652 (IPR2017-01526) and Claims 1-20 of U.S. Patent No. 7,713,930 (IPR2017-01528) unpatentable as obvious over the prior art.  IPR2017-01526 and IPR2017-01528 were two of a number of IPR petitions filed by Mylan against…

Read More