How does the USPTO view claims that refer to figures or tables?

The United States Patent and Trademark Office (USPTO) generally discourages claims that refer to figures or tables. According to MPEP 2173.05(s):

“Where possible, claims are to be complete in themselves. Incorporation by reference to a specific figure or table ‘is permitted only in exceptional circumstances where there is no practical way to define the invention in words and where it is more concise to incorporate by reference than duplicating a drawing or table into the claim.'”

The USPTO’s stance is based on the principle that claims should be self-contained and clearly define the invention without relying on external references. This approach ensures clarity and avoids potential ambiguity in interpreting the scope of the claims.

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Topics: MPEP 2100 - Patentability, MPEP 2173.05(S) - Reference To Figures Or Tables, Patent Law, Patent Procedure
Tags: claim drafting, Figures In Claims, Tables In Claims, USPTO policy