Welcome to the Patent Riff podcast, episode 5, where we dive into the latest in patents and intellectual property for patent attorneys, IP owners, in-house counsel, and inventors.
In this episode, we're breaking down the Federal Circuit's 2025 Fraunhofer-Gesellschaft v. Sirius XM Radio Inc. precedential opinion, including
What is Fraunhofer-Gesellschaft v. Sirius XM Radio Inc. about?
What is "equitable estoppel" in the context of this case?
What were the three requirements for Sirius XM (SXM) to prove equitable estoppel?
The concepts of "misleading conduct" and "reliance" as illustrated by the Fraunhofer v. Sirius XM case
Did the court find Fraunhofer's conduct to be misleading?
Why was the summary judgment for SXM reversed on the basis of "reliance?"
What was the significance of the "high-band" versus "low-band" systems?
Did the court find that SXM would suffer "prejudice" if Fraunhofer's claims proceeded?
What was the ultimate outcome of this 2025 appeal, and what happens next?
Essential takeaways from the 2025 Fraunhofer-Gesellschaft v. Sirius XM Radio Inc. decision (Case No. 2023-2267) for attorneys, patent owners, and licensees.
Disclaimer: This is provided for informational purposes only and does not constitute legal or financial advice. To the extent there are any opinions in this article, they are the author’s alone and do not represent the beliefs of his firm or clients. The strategies expressed are purely speculation based on publicly available information. The information expressed is subject to change at any time and should be checked for completeness, accuracy and current applicability. For advice, consult a suitably licensed attorney and/or patent professional.
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