II. Patent application and amendments
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G. Prohibition of double patenting

Overview

G. Prohibition of double patenting

1.Introduction
2.Legal basis for the prohibition of double patenting

3.Subject-matter and scope of protection

3.1.Introduction
3.2.Decisions allowing claims directed to overlapping subject-matter
3.2.1Independent "parent" claim includes all features of the "divisional" claim with an additional feature
3.2.2Overlap relates to dependent claim
3.2.3Overlapping scope of protection
3.2.4Scope of claims of granted patent fully encompassed in scope of protection of claim request
3.3.Decisions rejecting claims directed to overlapping subject-matter
3.3.1Reclaiming the preferred way of carrying out the invention
3.3.2Combination of features of granted independent and dependent "parent claims"
3.4.Change of claim category
3.5.Different descriptions
4.Double patenting objection in opposition
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