A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
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prior-art× 123
For questions relating to the USPTO rules related to prior art or what constitute prior art. For REQUESTS FOR PRIOR ART please use the [prior-art-request] tag.
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patentability× 82
For questions relating to the legal requirements necessary for applications to be granted a patent.
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software× 65
Patents about software algorithms, methods implemented via computer software, and software interfaces
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law× 61
Questions about patent laws and their implementation
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patent-infringement× 53
For questions involving the creation, use, or sale of patented item without permission from the patent holder.
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prior-art-request× 37
[tag:prior-art-requests] is for REQUESTING PRIOR ART on SPECIFIC US PATENT APPLICATIONS OR ISSUED US PATENTS. Please do not use this tag for general discussion of what constitutes prior art …
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filing× 24
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international× 23
Questions involving patent issues across multiple countries.
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usa× 20
Questions specifically relating to the patent system of the United States of America.
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search× 17
Questions relating to searching for or through patents and applications
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licensing× 16
For questions related to the licensing and legal sharing of patents
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uspto× 13
United States Patent and Trademark Office, the body which issues patents in the USA.
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claims× 12
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design-patent× 12
a special kind of patent that covers the ornamental design, as opposed to the workings, of a functional item.
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process× 12
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data-processing-database× 11
US patent class 707: data processing: database and file management or data structures
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apple× 11
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computer-graphics× 10
US patent class 345: computer graphics processing and selective visual display systems
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data-processing-financial× 10
US patent class 705: data processing: financial, business practice, management, or cost/price determination
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data-processing-interface× 10
US patent class 715: data processing: presentation processing of document, operator interface processing, and screen saver display processing
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invalidation× 10
Invalidating a patent that has already been granted
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ownership× 10
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infringement× 10
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patent-lifetime× 9
The term of a patent: the amount of time during which a patent can be enforced.
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copyright× 9
Questions about copyright as it relates to patents. Note that questions about copyright in itself are off-topic on this site.
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defensive-publications× 8
put teachings into the public domain to prevent future patents in that subject matter.
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inventorship× 8
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non-obviousness× 7
For posts questioning whether any skilled practitioner would find the idea obvious in light of the prior art.
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microsoft× 7
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telecommunications× 7
US patent class 455: telecommunications
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provisional× 6
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patent-pending× 6
a mark that can be included in the description of a product to indicate that some aspects of that product is covered by a patent application that has been filed, but not yet abando…
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uk× 6
Questions specifically relating to the patent system of the United Kingdom.
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novelty× 6
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application× 6
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america-invents-act× 5
Questions relating to the text or implementation of the 2011 law updating the US patent process
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