Revised Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. Sec. 112, para. 1 ``Written Description'' Requirement; Request for Comments
The Patent and Trademark Office (PTO) requests comments from any interested member of the public on the following Revised Interim Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112, para. 1 ``Written Description'' Requirement (Revised Interim Guidelines). These Revised Interim Guidelines will be used by PTO personnel in their review of patent applications for compliance with the ``written description'' requirement of 35 U.S.C. Sec. 112,para. 1. This revision supersedes the Interim Written Description Guidelines which were published contemporaneously in both the Federal Register and Official Gazette at 63 FR 32,639 (June 15, 1998) and 1212 O.G. 15 (July 7, 1998), respectively. This revision reflects the current understanding of the PTO regarding the written description requirement of 35 U.S.C. 112, para. 1 and is applicable to all technologies.
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- Read the news
- Patent or trademark
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- Current entry point
- www.federalregister.gov/documents/1999/12/21/99-33053/revised-interim-guidelines-for-examination-of-patent-applications-under-the-35-usc-sec-112-para-1 (permanent link in the Federal Register, verified 2026-09-30)
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- What you need (account or API key)
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- Published
- 1999-12-21
- 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 Utility Examination Guidelines; Request for Comments
- Guidelines for Examination of Patent Applications Under the 35 U.S.C. 112, ¶ 1, “Written Description” Requirement
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- Request for Comments on Interim Guidelines for Examination of Patent Applications for Patent Subject Matter Eligibility
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- Request for Comments on Proposed Utility Examination Guidelines
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- Supplemental Examination Guidelines for Determining the Applicability of 35 U.S.C. 112, ¶ 6
- Interim Supplemental Examination Guidelines for Determining the Applicability of 35 U.S.C. 112 para. 6
- Changes To Practice for Continuing Applications, Requests for Continued Examination Practice, and Applications Containing Patentably Indistinct Claims