Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112, ¶ 1, “Written Description” Requirement
These Guidelines will be used by USPTO personnel in their review of patent applications for compliance with the "written description" requirement of 35 U.S.C. 112, para. 1. These Guidelines supersede the "Revised Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112, para. 1 `Written Description' Requirement" that were published in the Federal Register at 64 FR 71427, Dec. 21, 1999, and in the Official Gazette at 1231 O.G. 123, Feb. 29, 2000. These Guidelines reflect the current understanding of the USPTO regarding the written description requirement of 35 U.S.C. 112, para. 1, and are applicable to all technologies.
- Task
- Read the news
- Patent or trademark
- both
- Legacy system
- —
- Current entry point
- www.federalregister.gov/documents/2001/01/05/01-323/guidelines-for-examination-of-patent-applications-under-the-35-usc-112-1-written-description (permanent link in the Federal Register, verified 2026-09-30)
- Legacy system and where it moved
- No legacy system name mention in title or summary )
- Fee
- No fee mention in title or summary )
- What you need (account or API key)
- No account or key mention in title or summary )
- Published
- 2001-01-05
- Document type
- Notice
- Source
- USPTO documents published in the Federal Register (Federal Register API)(retrieved 2026-10-06)
Everything in the same category
Read the news (all 1988) · both (all 2333)
Related entry points
- Revised Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. Sec. 112, para. 1 ``Written Description'' Requirement; Request for Comments
- Request for Comments on Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112 para. 1 ``Written Description'' Requirement
- Revised Utility Examination Guidelines; Request for Comments
- Utility Examination Guidelines
- Request for Comments on Interim Guidelines for Examination of Patent Applications for Patent Subject Matter Eligibility
- Supplemental Examination Guidelines for Determining the Applicability of 35 U.S.C. 112, ¶ 6
- Request for Comments on Interim Guidelines for Examination of Patent Applications for Patent Subject Matter Eligibility
- Utility Examination Guidelines
- Request for Comments on Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112 para. 1 ``Written Description'' Requirement; Extension of Comment Period and Notice of Hearing
- Request for Comments on Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112 para. 1 ``Written Description'' Requirement; Notice of Change in Public Hearings, Extension of Comment Period
- Interim Supplemental Examination Guidelines for Determining the Applicability of 35 U.S.C. 112 para. 6
- Supplemental Guidance for Examination of Design Patent Applications Related to Computer-Generated Electronic Images, Including Computer-Generated Icons and Graphical User Interfaces
- Interim Guidelines for Examination of Design Patent Applications for Computer-Generated Icons
- Interim Guidelines for the Examination of Claims Directed to Species of Chemical Compositions Based Upon a Single Prior Art Reference
- Revised Interim Utility Examination Guidelines; Request for Comments; Correction
- Guidelines for Assessing Enablement in Utility Applications and Patents in View of the Supreme Court Decision in Amgen Inc. et al. v. Sanofi et al.