Download U.S. patents (in PDF) and more!

To download a copy of a patent from the U.S. Patent and Trademark Office,
please enter your request in the format below.


US Utility Patent 5000000 or 5,123,456
US Pre-Grant Publication 20040123456 [you may need to add a "0" after the year.]
US Design Patent d50000
US Plant Patent pp05000 [add leading 0's if needed]
US Reissue re34343
US Defensive Publication   T101010
US Statutory Invention Reg. h1234
Euoropean Patent   EP123
Multiple Requests Separate with a semicolon: 12345; pp6000

Enter Number(s):

To link to a patent, please use the following format: where XXXXXXX is the patent number. is a set of lookup interfaces useful for patent attorneys and agents.

MPEP search via Google:

Browse MPEP - MPEP Index

Patent Lookup (PDF) via :

Patent Lookup (text) via USPTO:

Application Lookup (text) via USPTO:
example: 20010000044

Inquiries to: admin (at) mpepsearch (dot) org

13001402009-06-04 01:15:25620000-00-00 00:00:00000000-00-00 00:00:002009-06-04 01:15:250000-00-00 00:00:00show_title= link_titles= show_intro= show_section= link_section= show_category= link_category= show_vote= show_author= show_create_date= show_modify_date= show_pdf_icon= show_print_icon= show_email_icon= language= keyref= readmore=103008robots= author= 701Research Patents Proresearch-patents-pro

Search Patents

Links to web sites where inventors can do a free patent search on their invention.

Search Patents - United States of America

- Below is a compilation of online resources relating to patent prosecution topics and intellectual property law in general.  If you see any glaring omissions, or if you can think of any must-adds, please let us know.

U.S. Patent and Trademark Office

- It can cost approximately $500 to 1,500 per patent search. Fortunately, you can now do a decent patent and trademark search for free online thanks to the US Patent & Trademark office. Granted, this won’t be as thorough or exhaustive as having a patent attorney do it for you, but it sure is a lot cheaper.

USPTO Patent Database

USPTO Public PAIR (patent prosecution history)

USPTO Maintenance Fees

USPTO Assignments

USPTO Classifications

USPTO Fee Schedule

Google - Advanced Patent Search

Cincinnati Library - Patents, Trademarks, & Copyrights

US Patent & Trademark Office

Patent & Trademark Depository Library Association

- Provides sites devoted to serving the special needs of inventors.

Lemelson-MIT Invention Dimension

- Provides a wealth of inventor resources including inventor profiles, patent guidelines, links to online invention resources, and more.

PatentQuest PowerPoint Presentation


Google Patents

Wikipatents (registration required)

Market Launchers

- Lists new inventions available for sale or licensing, builds inventors' web sites, new product development, free inventor newsletter.

Search Patents - United States of America (continued)

SurfIP - The destination IP portal

- Data sources: US (USPTOApps), US (USPTO), Singapore (IPOS), PCT (WIPO), European (EPO), China (SIPO), Canada (CIPO), Korea (KIPO), Patentmaps (PM), Taipei (TIPO), UK (UK-IPO), Thailand (TIPIC), nd Japan (JPO)

U.S.Patent Server at IBM

- Over 26 years of U.S. patent bibliographic descriptions (full text of first page and first claim) and full-patent images for last 17 years. Supports boolean search of inventor, assignee, title, abstract, claims and agent (maximum of 200 results allowed per search expression). Has links to referenced and referencing patents, full text of all claims, and to all other patents in same class.

Search Patents - Europe

EPO Patent Database

- Includes Japan and the USA.

EPO Register

- Patent prosecution history.

Search Patents - Germany

DPMA Patent Database

Search Patents - Korea

KIPRIS Patent Database

- English abstracts.

Search Patents - China

SIPO Patent Database

- English abstracts.

Search Patents - Japan

JPO Patent and Abstracts Databases

- Includes an English translator.

Search Patents - Canada

CIPO Patent Database

Search Patents - World Intellectual Property Organization

WIPO PCT Application Database

Invention Evaluations   Invention Evaluations

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Inventors such as yourself who are looking to protect and profit from your invention or new product idea each have your unique needs and budgets. That is why we offer several invention evaluation plans for you to choose from that are tailored to the special needs of individual inventors.

Save Money   Invention Packages

Invention Commercialization and Profitability Program

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Invention Evaluations   Crowdfunding

Don't have money to develop your invention into a product?

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Telephone: (866) 279-7174
Facsimile: (435) 649-3801

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