What are the different types of subject matter combinations in patent classification?
According to MPEP 903.02(b), there are several types of subject matter combinations in patent classification: Basic Subject Matter Combined with Feature for Some Additional Purpose: The MPEP states, “The added purpose is in excess of the scope of the subject matter for the class, as defined in the class definition; e.g., adding a sifter to…
Read MoreWhat is the difference between basic subject matter and features for additional purposes in patent classification?
In patent classification, there’s an important distinction between basic subject matter and features for additional purposes. MPEP 903.02(b) provides definitions for both: Basic Subject Matter: “The combination of features necessary and essential to the fundamental character of the subject matter treated; e.g., a stonecrusher requires a minimum number of features as essential before it can…
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