Category: claim amendments

Structure and Connectivity in Patent Claims

Patent claims are commonly understood to define the structure of an invention, and claim limitations should delineate the connections and relationships among claim elements.  Occasionally, claims are rejected during examination as indefinite, with the Examiner pointing out that it is not clear how the claim elements are interrelated […]

Opportunity for Equivalents in Claim Amendments

It is commonly held that the doctrine of equivalents is lost when claim amendments are made during patent prosecution.  That is, any claim amendment that is made during patent prosecution surrenders or gives up elements which are equivalent to those elements claimed in the amendment.  Surrender of the […]