"Imagination is more important than knowledge"
      ~Albert Einstein~
"අඵත් අඵත් දෑ නොතනන ජාතිය ලොව නොනගී"
      ~කුමාරතුංග මුනිදාස~

NSF patent help desk is a guiding spot for seeking information to protect your invention.

  • Espacenet Patent Search - Espacenet offers free access to more than 70 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today.
  • Patentscope - This facility allows you to search 1,949,795 international patent applications and to view the latest information and documents available to the International Bureau.
  • Canadian Patent Database - This database lets you access over 75 years of patent descriptions and images. You can search, retrieve and study more than 2,000,000 patent documents.
  • The United States Patent and Trademark Office - The United States Patent and Trademark Office (USPTO) is the Federal agency for granting U.S. patents and registering trademarks
Electronic filling (PCT-SAFE)
 

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