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Patents FAQ

How to Search for Patents

Can I do this at home?

Planning a Visit

Before you visit us...

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Welcome to NCSU Libraries

Before coming to the NCSU Libraries for a patent search...

There are few things you need to know before you come to the NCSU Libraries to do a patent search...

Patent searching is complex and time consuming...

If you are an inventor, be aware that the patent searching process takes a great deal of time and can be challenging to learn. Many people assume that they can visit the nearest Patent and Trademark Depository Library, sit down with a librarian, and an hour later have an answer as to whether or not their invention is patentable. The average patentability search takes between 25-30 hours! You may need to make multiple visits, or investigate the possibility of searching from a computer closer to your home...

You need to do some of the work up front to make your time at the NCSU Libraries' worthwhile...

You should read background information about obtaining patents and patent searching before you attempt to do your patentability search. We suggest reading a book like Patent it Yourself by David Pressman before you begin, so that you will have know all the steps involved in securing your patent. Additionally, your closest public library might have this title or you can purchase it from a bookstore.

You need basic computer literacy skills to navigate the USPTO patent search databases...

In order to do a complete patentability search, you should be able to use a personal computer, mouse and keyboard. If you need assistance with this, you might wish to contact your local public library and/or community center to inquire about basic computing skills classes.

Be aware of what services the Patent and Trademark Depository Library can offer you...

When you enter the D.H. Hill Library, follow the signs upstairs to the reference desk and tell the reference staff on duty that you are here to do a patent search. We can show you how to use the searching tools such as the Index and Manual to the Classification System, and the USPTO databases. We are happy to assist you with accessing our collection of patent resources. However, you will probably spend hours independently doing your specific search. The NCSU Libraries cannot provide any kind of legal advice or answers to questions such as "Is this the correct classification code for my invention?", and "Do you think I have done enough searching?", etc. These types of questions will be referred to Patent and Trademark Attorneys and Agents approved by the USPTO in North Carolina (you may search for a USPTO-licensed attorney by zip code or other parameters). We also cannot search for you. Be prepared for the complexity of this search, and that you will have to do most of this on your own.

Additionally, keep in mind that we cannot advise you as to the marketability or viability of your invention in the market. We can, however, assist you with locating our resources for business and marketing, which will help you draw these conclusions.

Before you begin to search, think both broadly and narrowly about your invention...

Patent searching often involves searching creatively. For example, if you invent a new toilet handle, you might want to search under toilets and toilet accessories, and also search handles. Start brainstorming before you search- what does my invention do? What are some of the areas where I might wish to search? Think about both the functions and the components of your invention.

Finally, before you visit, look over our practical information for Planning a Visit.

It includes things like our hours and information about parking.

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