Case: Patents/Anticipation & Obviousness (P.T.A.B.)

March 24, 2026, 4:52 PM UTC

The Patent Trial and Appeal Board determined that challenged claims of California Institute of Technology’s patent that relates to methods and kits for the multiplexed detection of analytes in a sample aren’t unpatentable as anticipated by or obvious over prior art, in an inter partes review by Bio-Rad Laboratories Inc. According to the board, the challenged claims aren’t anticipated by or obvious over prior art that relates to droplet based digital PCR and methods for analyzing a target nucleic acid, digital assays with multiplexed detection of two or more targets in the same optical channel, and a microfluidic device for ...

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