Interim Guidelines for the Examination of Claims Directed to Species of Chemical Compositions Based Upon a Single Prior Art Reference
The Patent and Trademark Office (PTO) requests comments from any interested member of the public on interim guidelines to be used by office personnel in their review of patent applications which contain claims directed to a species or subgenus of chemical compositions for compliance with 35 U.S.C. 103 based upon a single prior art reference which discloses a genus embracing the claimed species or subgenus but does not expressly describe the particular claimed species or subgenus.
- Task
- Read the news
- Patent or trademark
- both
- Legacy system
- —
- Current entry point
- www.federalregister.gov/documents/1997/02/11/97-3362/interim-guidelines-for-the-examination-of-claims-directed-to-species-of-chemical-compositions-based (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
- 1997-02-11
- 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
- Guidelines for the Examination of Claims Directed to Species of Chemical Compositions Based Upon a Single Prior Art Reference
- Interim Guidelines for the Examination of Claims Directed to Species of Chemical Compositions Based Upon a Single Prior Art Reference
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