How to Do a Free Patent Search

With a little guidance, performing a patent search onservice performs either a manual or an electronic
your own is easy and cost-effective and suchreview of the physical records at the USPTO, and
savings can be applied to the preparation and draftingthey may request a meeting with a USPTO Examiner
of a patent application covering your invention.to conduct a professional and thorough search on
Performing a patent search is the most reliable wayyour behalf.
of discovering whether any similar patents orRemember to sign a non-disclosure agreement
applications exist, which may be relevant to yourbefore disclosing your invention to a U.S. service
invention or could affect the outcome of your ownprovider. After the service is complete, you will
patent application. Being armed with this priorreceive a stack of relevant US patents and patent
information known as 'prior art' serves two purposes:applications for your review.
1. It helps to determine the likelihood of your2. Review and evaluate the prior art references
invention obtaining protection in the US Patent &discovered in step 1
Trademark Office (USPTO) and whether or not youOnce you have completed the search and found
should invest money in filling a patent application.patents and/or patent applicants relevant to your
If a blocking patent is discovered during your searchinvention, you can begin your evaluation.
this will save you the expense of an application orOverview:
worse having filed and paid for a patent application* Review each patent and application located in your
and the USPTO finds the same blocking patent duringsearch. Look for the elements, features, advantages
their search.and improvements listed in your Record of Invention.
2. Information in the prior art can help serve as a* In particular, review each relevant US patent and
guide in drafting your application.application, looking for information on elements,
You will be able to focus the drafting of yourfeatures, advantages and improvements relevant to
application on the improvements and features ofyour invention.
your invention not previously disclosed in the prior* Thoroughly review, in order, the title, abstract, brief
patents and published applications.summary, and the drawings in the patent for initial
The procedure for conducting a patent search hasclarification and understanding as to whether relevant
two steps:to your invention.
1. Conducting the patent search* If determined to be relevant, read the entire
Conducting the search Yourself - Visit the Unitedpatent or application to fully understand the scope of
States Patent & Trademark Office (USPTO) atthe disclosure and identify elements in the drawings
or Google Patents at and perform keyword searchesby writing the element name on the drawings.
on keywords relevant to your invention. If you* Use two highlighters, one color to note elements,
prefer to use a professional service, you may stillfeatures, advantages and improvements similar to
choose to conduct a preliminary pre-screeningyour invention and another color to note elements,
yourself. Using your keywords, you will quickly see iffeatures, advantages and improvements which are
someone patented your invention before you.dissimilar or teach something different from your
Using a Professional US Patent Service - A U.S. searchinvention.