Free Tool · Claim Sets
Map your claim set's structure.
Paste a numbered claimclaimA numbered sentence at the end of a patent that legally defines what the inventor owns. The most important section.Read more → set and we'll chart the dependency tree — which claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more → stand alone, which depend on which — spot structural errors, and tally the USPTO excess-claim fees you'll owe past the 3-independent / 20-total allowance.
Dependency tree
1Independent
2Dependent→ depends on claim 1
3Dependent→ depends on claim 2
4Multiple-dependent→ depends on claims 1, 2, 3
Parsing is heuristic and fees are approximate USPTO figures — verify against the current fee schedule. This is a drafting aid, not legal advice. PatentBrief is not a law firm.
Where this fits · The patent process
Keep going · Related guides
Patent GlossaryEvery term, defined plainlyRead →How to File a PatentEvery step from idea to filingRead →Claim Chart / FTO ToolMap a claim against a product for infringement or freedom-to-operate.Read →Claim Support Checker (§112)Check that each claim term is described in the specification.Read →Anatomy of a Patent ClaimClick any part of a real claimRead →