enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Term of patent in the United States - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent_in_the...

    The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension "for the term of seven years from and after the expiration of the first term" in certain circumstances, when the inventor hasn't got "a reasonable remuneration for ...

  3. Term of patent - Wikipedia

    en.wikipedia.org/wiki/Term_of_patent

    The term of a patent is the maximum time during which it can be maintained in force. It is usually expressed in a number of years either starting from the filing date of the patent application or from the date of grant of the patent. In most patent laws, annuities or maintenance fees have to be regularly paid in order to keep the patent in ...

  4. Continuing patent application - Wikipedia

    en.wikipedia.org/wiki/Continuing_patent_application

    Thus, Lemelson's "submarine patents" strategy of taking steps that would delay the patent grant date will no longer extend the patent expiration date.) To minimize this alleged abuse of the patent system, the USPTO proposed several changes to the rules as to the number of continuations an applicant can file.

  5. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    Patent applications can be filed at the United States Patent and Trademark Office (USPTO). Prior to June 7, 1995, the duration of a US utility patent was 17 years from patent issuance. Since that date, the duration of the US utility patent is 20 years from the earliest effective filing date.

  6. Backlog of unexamined patent applications - Wikipedia

    en.wikipedia.org/wiki/Backlog_of_unexamined...

    However, many patent applicants can sometimes prefer a lengthy 'patent pending' period and the legal uncertainty that it brings. [29] Also, since May 29, 2000, the USPTO has the policy to allow for a patent term extension beyond 20 years from the non-provisional priority date in cases when it takes the Office more than 3 years to issue a patent ...

  7. United States Patent and Trademark Office - Wikipedia

    en.wikipedia.org/wiki/United_States_Patent_and...

    The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexandria, Virginia, after a 2005 move from the Crystal City area of neighboring Arlington, Virginia.

  8. Patent Application Information Retrieval - Wikipedia

    en.wikipedia.org/wiki/Patent_Application...

    Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...

  9. Maintenance fee (patent) - Wikipedia

    en.wikipedia.org/wiki/Maintenance_fee_(patent)

    However, the patent can be revived, by a petition indicating that the non-payment was unintentional. [30] The data released by the USPTO in 2023 [31] shows that the rate of patent maintenance remained fairly constant over the last 20 years: first patent maintenance fees were paid for 86% of issued patents, the second - for 67%, and the third ...