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1 |
Free Patent Auction A free service to sell patents and buy patents online.
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213 |
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2 |
Google Patent Search Google's patent search.
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101 |
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3 |
Pat2PDF Download U.S. patents in PDF format.
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81 |
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4 |
Patent Fee Estimator This is a tool which makes rough projections of your patenting costs based on your input of which territories you might want protection in.
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148 |
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5 |
Patent Storm PatentStorm offers patents from the US Patent Office, including full-text patent search.
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192 |
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6 |
Patent Tools Excellent assortment of free online patent tools, including a claim chart generator, a claim tree generator, a patent table generator, and more.
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200 |
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7 |
U.S. Patent Prosecution Tools for Patent Attorneys and Agents Nice Google MPEP Search! Also several other handy patent searches.
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215 |
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8 |
Worldwide Patent PDF Downloads Fast, free downloads of patents around the world
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161 |