Patent Information About What a Patent is, How Long Does a Patent Last and How to Read a Patent.

Patents, Prototypes, Manufacturing, and Marketing New Inventions

Patent information including how to read a patent and how long it lasts.




 

 

 

 

 

Free Basic Patent Information About What a Patent is, How Long Does a Patent Last and How to Read a Patent

What a patent is, how long a patent lasts, and a brief look at the main elements of a patent and how to read a patent.


What Is a Patent?

A patent is a grant issued to an inventor by the US or some other countries government.   Under the law, a patent is an offensive weapon. A patent grants you the right to stop others from using, making, or selling your invention in the country issuing the patent.


How Long Does A Patent Last?

Utility and plant patents last for 20 years from the date the patent was filed, and design patents last 14 years from the date it was issued.  However, if you fail to pay the maintenance fees when they are due your patent will expire.

All patents are guaranteed an in-force period of 17 years minimum. To compensate for delays resulting from a failure by the PTO (Patent and Trademark Office) to process the patent application in a timely fashion the patent can be extended if necessary.

You can still bring infringement suits against someone who infringed your patent during the patents in-force period.  Expired patents remain "prior-art" forever.


How to Read a Patent

The first part of a patent is the "specification" portion where the invention is described.  Section 112 of the patent laws contains the following words:

"The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise and exact terms a to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the bet mode contemplated by the inventor of carrying out the invention."

So by reading the specification you should end up with a very good idea of what the invention is about, what it does, and how to build, make, or produce it.


The Claims

The claims define the structure or acts of the invention in a precise manner using exact terms in a logical manner.  The claims tell the "bounds" or "scope" of the invention.  In other words, the claims determine exactly what will infringe the patent.  The claims must be specific enough to define the invention over any prior art.

There are independent claims which stand alone, and dependent claims which narrow the scope of the independent claim.

If you are tying to find out if your new invention idea infringes on the patent you are reading, then you would first read the specification to find out how your invention differs.  Then you would read the claims, because the claims spell out exactly what will infringe the patent. 

If a claim has three elements, x, y, and z, and your invention only has x, and y, but not z then you are not infringing.  If your invention has x, y, z, and q, then you are still infringing.  The patent office doesn't care about infringement, so you could still be issued a patent, but it would infringe the first patent.

In that case maybe you could work something out with the other inventor, or perhaps the previous invention will expire sooner than yours. Life can be so complicated...

 

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