How do I know if my idea is patentable?

Learning what a patent search includes and whatinvention.  This process of determining
patentability is, is often the first step in thepatentability involves reviewing and understanding
invention and patent process for new inventors. existing patents as well as non-patented, similar
Along with basic market research, I recommendproducts (together called “prior art”) to
that you consider a patent search prior to movingdetermine the unique qualities (“novelty”)
forward with filing a provisional or non-provisionalof your invention.  A USPTO examiner performs
patent application.  The last thing you want to doa “patentability assessment” during the
is waste your time and money developing anpatent review process.  Some inventors also
invention only to find out later that it had alreadycontract with a Patent Attorney or Agent to
been invented and patented.  Keep in mind;conduct a preliminary “patentability
patent searching is not an exact science soopinion” prior to moving forward with a patent
you’ll never receive a 100% guarantee thatapplication.  This process does not guarantee that
the search found every applicable patent, which isyour patent application will “pass” the
an inherent risk in the process.  patent criteria followed by the United States
With that said, if you find a product similar toPatent and Trademark Office, but it could be
your invention, but nothing showed up in yourbeneficial in the long run.  Also, it is important to
patent search, I first thing I would advise is thatunderstand that this process is not an exact
you try to find out as much information asscience.  A patent attorney will do his or her best
possible about the similar item.  Is it currentlyto find applicable prior art and to make a
being sold?  Is it patented?  I can tell you thatdetermination, but with the millions of patents that
only products with issued patents will show up inexist today, you will never receive a 100%
patent search results.  Provisional patents willguarantee. 
never show up in a patent search, becauseOne of the major factors of 
Provisional patents are NOT available to the public“patentability”, as discussed above, is to
- they are not published, and the USPTO holdsconsider what similar inventions are already
them confidentially. Also, products that havepatented.  For best results, I would recommend
non-provisional patents filed, but which have notthat you hire a patent attorney or patent search
yet issued, will most times NOT be reflected in afirm to complete this step.  A patent search is
patent search.  Again, the patent search typicallythe process of searching for all previous issued
reflects issued patents.  I'm sure you know, it ispatents.  It may also include a search of foreign
not necessary for every product being sold topatents and printed publications.  A patent search
have a patent.  Products being sold, but whichdoes not guarantee that your invention is or is
are not patented, would not reflect in a patentnot patentable; it is primarily focused on
search.  We always suggest to inventors thatdetermining what similar or like invention(s) are
they do some amount of due diligence prior toalready patented.  Note:  most companies that
spending any money on a patent search, in hopesmay consider licensing of your invention will inquire
of discovering additional info like this up front.  about your patent search results.  
Without additional research, there’s no way Lastly, I often am asked if one can modify an
to tell when the similar product was conceived,existing product? Yes.  Modifications to existing
and whether it’s date or your date cameproducts are done every day, which drives
first.  And until your patent ultimately issues, youproduct improvements and competition.  Many
can't yet file "infringement" against anyone. inventors focus purely on improving existing ideas
There are many unanswered questions regardingand products, and profit from simply modifying
the similar product that you found.  You mayproducts that are already on the market.  The
want to discuss your options with a Patentonly caveat to this strategy is to ensure that you
Attorney or Agent. modify the invention in such a way that it is
Let’s discuss the term “Patentability”.different from what the original patent holder has
Patentability refers to the process of determiningclaimed.  Many times, you can improve an
if your invention is eligible to receive a patent. existing product and receive patent protection on
One of the primary considerations of patentabilitythe “new” product.
is whether another patent already exists on your