• PTAB Invalidates Kioba Processing Patent per Askeladden’s Request

  • Askeladden Petitions for PTAB Review of Three Calabrese Stemer Patents

    Argues that the patents are invalid in view of prior art.

  • PTAB Invalidates Claims of Xylon Licensing Patent Challenged by Askeladden

    Askeladden successfully challenged Claims 1-8 and 15-18 of the Patent in view of prior art.

  • Our Mission

    To improve patent quality, supporting good IP practices, and addressing questionable patent holder behaviors.

  • Why Patent Quality Matters

    Low-quality patents stifle innovation and exposes companies to frivolous, expensive lawsuits.


Learn more about our efforts to improve the understanding, use and reliability of patents in financial services and elsewhere..


Answers to the most common questions about the Patent Quality Initiative.


Your resource on patent litigation and IPR filings.

Patent Quality In the News