How do I search for a US patent?
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How do I search for a US patent?
Patents may be searched using the following resources:
- Patent Public Search.
- USPTO Patent Full-Text and Image Database (PatFT)
- USPTO Patent Application Full-Text and Image Database (AppFT)
- Global Dossier.
- Patent Application Information Retrieval (PAIR)
- Public Search Facility.
- Patent and Trademark Resource Centers (PTRCs)
Can you search patents on Google?
On accessing the website, patents.google.com, the user is provided with the following interface: The above interface is the “Simple Search” interface. In this search bar, one can type the publication number of a certain patent application, or one can perform a general search on a particular technology.
How do I find patents for free?
We list below our top five recommendations for FREE patent search engines that can help anyone in identifying patent information.
- Google Patents. Google Patents is our top recommendation among the free patent search engines.
- Lens.
- Espacenet.
- PATENTSCOPE.
- USPTO.
How do I search a patent before 1976?
Patents produced before 1976 can be tricky to find. If you have the patent number, or are searching for all the patents produced with a specific classification number, you can do this on the USPTO web site. Click on “Quick Search” in the green Issued Patents box.
How do I find patent history?
United States Patent and Trademark Office (www.uspto.gov) Patent searching can be done directly on the USPTO’s web site. Full text and images are available for patents from 1976 to the most recent Tuesday. Images, current classification numbers and patent numbers only are available for patents from 1790 to 1975.
How long does a US patent last?
20 years
A U.S. utility patent, explained above, is generally granted for 20 years from the date the patent application is filed; however, periodic fees are required to maintain the enforceability of the patent.
Where can I find old patents?
If you know the patent number use either Google Patents or the USPTO website to find the patent. Enter the patent number without commas and when using the USPTO website the patent number must be seven numbers in length (add preceding zero’s if necessary).
How do I find an expired patent?
Where to Find Expired Patents
- Do a patent search through the USPTO.
- Select USPTO Patent Full-Text and Image Database (PatFT).
- Select Advanced Search.
- Input a date range or a specific date and begin the search.
- Choose the patent you want to research.
- Copy the patent number.
How do I find patents before 1970?
How do I search for a patent before 1976?
What happens to a patent if the owner of the patent dies?
The estate is the legal person or entity that contains all the contractual and property rights and responsibilities that were controlled by the natural person before their death. There are exceptions, but when the owner of a patent dies, the patent usually becomes the property of the estate.
