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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!








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    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
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    Find out how to apply for and maintain a patent in the U S , and learn about helpful resources
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    Find existing patents, published patent applications and other published patent documentation
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    The Patent Public Search tool is a web-based search application for patents and patent application publications Patent Public Search has two user-selectable modern interfaces that provide enhanced access to prior art
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    If you’re new to the process of protecting your rights to your invention by applying for a patent, you’re in the right place This page will direct you to basic information about U S and international patents
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    To apply for a patent, you must file an application and pay required fees You may wish to find a patent attorney or agent to help draft the description of the invention and claims, and any required drawings
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    Preparing a patent application and engaging in the USPTO proceedings to obtain the patent requires knowledge of patent law and USPTO procedures It also requires knowledge of the scientific or technical matters involved in the particular invention
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    Search for a patent application Search by application number, patent number, PCT number, publication number or international design registration number


















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