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Timestamp: 2013-05-20 05:47:19
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37 C.F.R. 1.141, Different inventions in one national application. (BitLaw)
37 CFR 1.141
Different inventions in one national application. This document contains one section of Chapter 37 of the Code of Federal Regulations. This page was last updated in November, 2005. You may return to the main 37 CFR Index, or to the index for one of the follow parts:
part 1 (patents); part 2 (trademarks); part 3 (assignments); part 10 (representation); or part 200+ (copyrights). Previous Section (§1.139) | Next Section (§1.142)
§1.141 Different inventions in one national application. (a) Two or more independent and distinct inventions may not be claimed in one national application, except that more than one species of an invention, not to exceed a reasonable number, may be specifically claimed in different claims in one national application, provided the application also includes an allowable claim generic to all the claimed species and all the claims to species in excess of one are written in dependent form (§ 1.75) or otherwise include all the limitations of the generic claim.
(b) Where claims to all three categories, product, process of making, and process of use, are included in a national application, a three way requirement for restriction can only be made where the process of making is distinct from the product. If the process of making and the product are not distinct, the process of using may be joined with the claims directed to the product and the process of making the product even though a showing of distinctness between the product and process of using the product can be made.