Similarities and Differences of Claim Construction in Patent Granting, Patent Confirmation, and Patent Infringement Procedures

Claim construction is an eternal topic in the field of patent law. Over the years, controversies regarding claim construction have primarily focused on specific construction rules, particularly how to correctly handle the relationship between interpreting claims based on the description and its drawings and improperly introducing the contents of the description and its drawings into the claims. However, one problem that must be addressed is whether the rules of claim construction should be the same in patent granting, patent confirmation, and patent infringement procedures or if there is any difference, where do these differences manifest?