Definition
A patent claim is a precisely worded statement that defines the exact scope of legal protection. Claims are the part of a patent that courts and examiners use to decide infringement and validity.
Why It Matters Legally
Claims are the legal heart of a patent. Broad claims capture more competitors but are easier to invalidate, while narrow claims are safer but easier to design around. Every word is scrutinized in litigation, so claim drafting directly determines how much an invention is worth.
Example Use Case
A company sues a competitor for infringement. The court compares the competitor’s product feature by feature against the language of the patent’s independent claim to decide whether infringement occurred.
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Related Terms
Independent Claim, Dependent Claim, Claim Construction, Patent Infringement, Patent Specification