MPEP Q&A 255: When do members of a Markush group share a ‘single structural similarity’? - a podcast by Lisa Parmley, USPTO Patent Practitioner #51006
from 2022-08-02T14:15:59
Question: When do members of a Markush group share a ‘single structural similarity’? Answer: Members of a Markush group share a “single structural similarity” when they belong to the same recognized physical or chemical class or to the same art-recognized class (prong 1) and the members of a Markush group share a common function or use when they are disclosed in the specification or known in the art to be functionally equivalent (prong 2). Chapter Details: The answer to this question can be found in chapter 2100 of the MPEP. This chapter covers Patentability. The answer is from the 9th…
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Further episodes of Patent Bar MPEP Q
Further podcasts by Lisa Parmley, USPTO Patent Practitioner #51006