Plumbing Fixtures — US PTAB Patent Cases
4 decisions indexed
Page 1 of 1 · 4 total
Kohler Co. v.Delta Faucet Company et al.
Kohler Co. challenged Delta Faucet Company's patent via IPR, arguing that the claims are obvious over various combinations of prior art references like Tseng and Tse. The petitioner presented multiple grounds based on 103, targeting nearly all claims in the patent.
Kohler Co. v.Delta Faucet Company et al.
Kohler Co. successfully petitioned the PTAB to institute an IPR against Delta Faucet Company et al., challenging claims related to illuminated showerheads. The Board found a reasonable likelihood of prevailing on key grounds, advancing the dispute to trial.
Kohler Co. v.Delta Faucet Company et al.
The Board found that claims 1, 2, and 9 were unpatentable over prior art references Tseng and Mizuno based on obviousness. The remaining claims (3-8 and 10-24) were deemed patentable.
Kohler Co. v.Delta Faucet Company et al.
The Petitioner successfully demonstrated that all 24 claims of the patent were unpatentable over various combinations of prior art references. The Board adopted a broad construction for key terms like 'outer illumination surface' and 'translucent light pipe,' supporting the finding of obviousness across multiple grounds.
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