CHAPTER Outline

• Jurisdiction: United States

CHAPTER 12

Double Patenting

§12.01 Introduction

§12.02 Two Types of Double Patenting

[A] Same Invention-Type Double Patenting

[B] Obviousness-Type Double Patenting

§12.03 Policy Bases

[A] Prevent Improper Extension of Patentee's Right to Exclude Others

[B] Prevent Potential Harassment by Multiple Assignees

§12.04 Foundational Case Study

§12.05 Twenty-Year Patent Term Did Not Eliminate Double Patenting Concerns

§12.06 How Double Patenting Differs from Anticipation and Obviousness

[A] Claim-to-Claim Comparison

[B] Prior Art Is Not Involved

[C] Similarities

§12.07 Proper Use of the Disclosure to Interpret the Claims

§12.08 Improper Use of the Disclosure as Prior Art

§12.09 Use of Terminal...