MPEP 2000
Duty of Disclosure
This is the Ninth Edition of the MPEP, Revision 07.2022, Last Revised in February 2023
Chapter 2000: Duty of Disclosure
2000: Duty of Disclosure
2000.01: Introduction
2001: Duty of Disclosure, Candor, and Good Faith
2001.01: Who Has Duty To Disclose
2001.02: Reserved
2001.03: To Whom Duty of Disclosure Is Owed
2001.04: Information Under 37 CFR 1.56(a)
2001.05: Materiality Under 37 CFR 1.56(b)
2001.06: Sources of Information under 37 CFR 1.56
2001.06(a): Prior Art Cited in Related Foreign Applications
2001.06(b): Information Relating to or From Copending United States Patent Applications
2001.06(c): Information From Related Litigation and/or Trial Proceedings
2001.06(d): Information Relating to Claims Copied From a Patent
2001.06(e): Information Relating to Regulatory Review
2002: Disclosure — By Whom and How Made
2002.01: By Whom Made
2002.02: Must be in Writing
2003: Disclosure
2003.01: Disclosure After Patent Is Granted
2004: Aids to Compliance With Duty of Disclosure
2005: Comparison to Requirements for Information
2006: Reserved
2010: Office Handling of Duty of Disclosure/Inequitable Conduct Issues
2011: Correction of Errors in Application
2012: Reissue Applications Involving Issues of Fraud, Inequitable Conduct, and/or Violation of Duty of Disclosure
2012.01: Collateral Estoppel
2013: Protests Involving Issues of Fraud, Inequitable Conduct, and/or Violation of Duty of Disclosure
2014: Duty of Disclosure in Reexamination Proceedings and Supplemental Examination
2015: Duties of Disclosure and Reasonable Inquiry Arise in Dealings With Other Government Agencies
2016: Fraud, Inequitable Conduct, or Violation of Duty of Disclosure Affects All Claims
2017: Reserved