Claims are the numbered statements near the end of a utility patent. They define the invention the applicant seeks to protect and, in an issued patent, the scope of the granted claims.
Independent and Dependent Claims
An independent claim stands on its own. A dependent claim refers to an earlier claim and adds a further limitation. Reading only the added words misses the limitations carried forward from the referenced claim.
Read Each Limitation
Break a long claim into its parts without discarding the relationships between them. A claim might describe components, their arrangement, and how they interact. Those connections can matter as much as the component names.
Keep the Specification Nearby
Claims are interpreted in context. The specification and prosecution history matter, and the applicable interpretation standard can differ between proceedings. A plain-English paraphrase is useful for learning, but it cannot replace the claim language or legal analysis.
A Drawing Is Not the Whole Claim
A figure can illustrate a claimed arrangement without resolving every scope question. Start with the complete document, then return to the exact words. For the statutory starting point, see Statute Breakdown.