Determination of New Expiration Dates of Certain Patents
The Patent and Trademark Office (PTO) has determined the expiration date of patents that: (1) Are in force on June 8, 1995, and, therefore, are entered to the greater of a term of 20 years from their relevant filing date, or 17 years from grant, and (2) Have received a term extension under section 155 or 156 of title 35, United States Code, or will receive a term extension under section 156 in the future. All patents falling in this category are entitled to the longer term of either (a) 17 years from grant, supplemented by the period of extension obtained under section 155 or 156, or (b) 20 years from their relevant filing date.
- Task
- Read the news
- Patent or trademark
- both
- Legacy system
- —
- Current entry point
- www.federalregister.gov/documents/1995/06/07/95-13848/determination-of-new-expiration-dates-of-certain-patents (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
- 1995-06-07
- 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
- Proposed Determination of New Expiration Dates of Certain Patents
- Revision of Patent Term Adjustment Provisions Relating to Appellate Review
- Revisions To Implement the Patent Term Adjustment Provisions of the Leahy-Smith America Invents Act Technical Corrections Act
- Treatment of Letters Stating That the USPTO's Patent Term Adjustment Determination Is Greater Than What the Applicant or Patentee Believes Is Appropriate
- Pilot Program for Extended Time Period To Reply to a Notice To File Missing Parts of Nonprovisional Application
- Notice Regarding the Elimination of the Fee for Petitions To Make Special Filed Under the Patent Prosecution Highway (PPH) Programs
- Revisions to Patent Term Adjustment
- Patents for Humanity Program
- Acquisition and Protection of Foreign Rights in Inventions; Licensing of Foreign Patents Acquired by the Government; Uniform Patent Policy for Rights in Inventions Made by Government Employees
- April 2007 Revision of Patent Cooperation Treaty Procedures
- Revision of Patent Term Extension and Adjustment Provisions Relating to Appellate Review and Information Disclosure Statements
- Changes To Implement 20-Year Patent Term and Provisional Applications
- Submission for OMB Review; Comment Request
- Implementation of Statute of Limitations Provisions for Office Disciplinary Proceedings
- Extension of Period To Allow Submission of a PDF With a Patent Application Filed in DOCX Format
- Changes To Implement the Prioritized Examination Track (Track I) of the Enhanced Examination Timing Control Procedures