35 U.S.C. § 112(d) governs ordinary dependent claims, while subsection (e) specifically addresses multiple dependent claims. A multiple dependent claim refers to more than one earlier claim in the alternative and adds a further limitation. Confusing the subsections can obscure the drafting and fee rules. [1]
Use alternative references and preserve limitations
A dependent claim incorporates the limitations of the claim it references and then narrows the subject matter further. A multiple dependent claim must refer to earlier claims in the alternative only. It cannot serve as the basis for another multiple dependent claim. [1] [2]
For example, a properly supported claim referring to the device of claim 1 or claim 2 presents alternative dependencies. Referring to claims 1 and 2 together does not satisfy the multiple-dependent form simply because two claim numbers appear. The referenced claims must already exist earlier in the claim set.
A short claim list can still create multiple counted claims
The regulation counts a multiple dependent claim for fee purposes according to the number of claims it directly references. A claim depending from that multiple dependent claim also receives the specified counting treatment. There is an additional multiple-dependent-claim fee under the referenced fee provision, apart from other applicable filing and excess-claim fees. [2]
Therefore, using fewer numbered paragraphs does not necessarily reduce the fee count. Prepare the dependency tree and count alternatives before estimating costs. Check the current USPTO fee schedule and applicant entity status rather than rely on an outdated flat amount.
Review the substance as well as the numbering
The specification still must support the claimed subject matter, and the claims must satisfy the other requirements of Section 112. A formally correct alternative reference does not cure missing disclosure or unclear limitations. [1]
A practical review should verify each earlier reference, the added limitation, the incorporated features, and whether any proposed multiple dependency rests on another multiple dependent claim. Compare the result with separate single-dependent claims and the intended coverage. USPTO’s application guidance explains the formal treatment and counting framework. [3]
The drafting choice should make the alternatives understandable and legally supported. Do not treat multiple dependency as a way to combine unrelated features without disclosure or as a promise that one numbered claim will always incur only one claim fee. [1] [2]
Related questions
See Filing a Patent Application Under 35 U.S.C. 111(a) and patent novelty under Section 102.
Primary sources
Sources checked: October 31, 2026.