PTAB Archives

IPR Claim Constructions Open Door to New Argument and Evidence in Reply

7 Aug, 23 |

Petitioner permitted to go beyond petition to rebut Patent Owner’s alternate claim construction

If the IPR Doesn’t Kill the Patent, There’s Always District Court

7 Apr, 23 |

Toothless application of IPR estoppel allows losing patent challengers to challenge claims again in district court

APA Does Not Require PTAB to Make Express Credibility Determinations

8 Mar, 23 |

Anti-cancer, anti-viral patent invalidated despite contention its expert was ignored

Looks Like a Public Use

2 Feb, 23 |

Utility patent for plant variety denied due to display at private event

New Use of Collateral Estoppel Permitted for IPRs

9 Dec, 22 |

Collateral estoppel used to flip holding of patent validity

IPR Disclaimer Only Applies After the IPR Party Is Over

16 Nov, 22 |

Patent Owner’s arguments for narrow claim interpretation do not save claim from invalidation

Improvement Patent Does Not Anticipate Original Idea

12 Aug, 22 |

Reference building on first inventor’s idea does not qualify as prior art to first inventor’s patent

Patent Avoids Invalidation Due to Error in Reference

27 Jul, 22 |

Mystery of inconsistent data solved by looking at priority application

Victory in Doubt After Federal Circuit Win

13 Jun, 22 |

UMass wins reversal of indefiniteness ruling based on claim construction advanced by opponent

Academic Article Used to Create Joint Inventorship Puzzle

27 May, 22 |

Article naming administrator along with named inventors could derail patent