Us Patent Office Search

The us patent and trademark office pto offers world wide web web access to bibliographic and full text patent databases. 1 800 786 9199 8 30 am 8 00 pm et tty. Check patent application status with public pair and private pair.

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When searching for specific numbers in the patent number field utility patent numbers are entered as one to eight numbers in length excluding commas which are optional as are leading zeroes.

Us patent office search. Private trademark search firms will conduct searches for a fee. More tools links. The uspto cannot aid in the selection of a search firm or an attorney.

Pay maintenance fees and learn more about filing fees and other payments. Search and read the full text of patents from around the world with google patents and find prior art in our index of non patent literature. Patent trial appeal board.

Try the beta replacement for efs web private pair and public pair. Patents from 1790 through 1975 are searchable only by issue date patent number and current classification us ipc or cpc. Patent trial appeal board.

Patent and trademark office. Check patent application status with public pair and private pair. Patent and trademark office.

Pay maintenance fees and learn more about filing fees and other payments. Resolve disputes regarding patents with ptab. View international patent filings.

Executive department sub. Search firms are often listed in the yellow page section of telephone directories under the heading trademark search services or patent and trademark search services patent and trademark resource center ptrc. 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.