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安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • United States Patent and Trademark Office
    Whether you've applied for a patent or registered for a trademark, scammers may try to exploit you Learn how to spot fake communications or offers and protect your intellectual property
  • United States Patent and Trademark Office - Wikipedia
    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
  • U. S. Patent and Trademark Office (USPTO) | USAGov
    The U S Patent and Trademark Office (USPTO) is the agency responsible for granting U S patents and registering trademarks
  • U. S. Patent and Trademark Office | U. S. Department of Commerce
    The United States Patent and Trademark Office (USPTO) grants U S patents and registers trademarks Its mission is to drive U S innovation and global competitiveness for the benefit of all Americans The USPTO enhances effective IP protection for U S innovators and entrepreneurs worldwide by collaborating with other agencies to secure robust IP provisions in free trade and other
  • Search our trademark database | USPTO - United States Patent . . .
    A search you complete before applying for a trademark registration to make sure your trademark is available to register for your particular goods or services, and to make sure that no other trademark conflicts with it
  • Trademarks | USPTO
    Find out how to register and maintain a trademark in the U S , apply for an international trademark, and about protecting your registered trademark
  • Search for patents - United States Patent and Trademark Office
    The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including on-line, microfilm, and print
  • United States Patent and Trademark Office
    You can file a trademark application online using the Trademark Electronic Application System (TEAS) You can also establish common law rights by starting to use the mark in a geographic area However, to qualify for federal registration, the mark must be used lawfully in interstate commerce


















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