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  2. United States Patent and Trademark Office - Wikipedia

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

    The James Madison building on the campus of the United States Patent and Trademark Office headquarters in Alexandria. This is the largest building on the campus. Agency overview; Formed: July 4, 1836; 188 years ago () [1] [2] Washington, D.C., U.S. Headquarters: Alexandria, Virginia, U.S.

  3. Trademark - Wikipedia

    en.wikipedia.org/wiki/Trademark

    A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a product or service from a particular source and distinguishes it from others.

  4. Registered trademark symbol - Wikipedia

    en.wikipedia.org/wiki/Registered_trademark_symbol

    The proper manner to display these symbols is immediately following the mark; the symbol is commonly in superscript style, but that is not legally required. In many jurisdictions, only registered trademarks confer easily defended legal rights. [3] In the US, the registered trademark symbol was originally introduced in the Trademark Act of 1946 ...

  5. United States trademark law - Wikipedia

    en.wikipedia.org/wiki/United_States_trademark_law

    Trademark law protects a company's goodwill, and helps consumers easily identify the source of the things they purchase. In principle, trademark law, by preventing others from copying a source-identifying mark, reduces the customer's costs of shopping and making purchasing decisions, for it quickly and easily assures a potential customer that this

  6. United States Patent Classification - Wikipedia

    en.wikipedia.org/wiki/United_States_Patent...

    The United States Patent Classification is an official patent classification system in use and maintained by the United States Patent and Trademark Office (USPTO). It was mostly replaced by the Cooperative Patent Classification (CPC) on January 1, 2013. [1] Plant and design patents are still classified solely within USPC at the USPTO.

  7. 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.

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