Comcast v. Rovi (Petitioner Experience)

Banner Witcoff filed four waves of IPRS on behalf of Comcast in defense of multiple ITC and district court attacks by Rovi.
- First wave: filed against 15 patents and led to invalidity or dismissal in the litigation of every asserted claim in 14 of the 15 patents
- Second wave: filed against eight patents and resulted in the invalidity of every claim in seven challenged patents, with Rovi asking the PTAB to cancel the claims in the eighth patent
- Third wave: filed against eight patents, IPRs were instituted on every challenged claim of the eight patents
- Fourth wave: filed against six patents
Concluded with both parties settling favorably after filing the fourth wave of IPRs and prior to final written decisions in the third round of IPRs
Patents related to television program guides, digital video recorders (DVRs), mobile services, network architectures, and related software.

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