PATENT OFFICE DATABASES (F):
USPTO (U.S. Patents and Applications)
ESP@CENET (European, Worldwide Patents)
EUROPEAN PUBLICATION SERVER (European Patent Publications)
PATENT ABSTRACTS OF JAPAN (Japanese Published Applications, translations)
JPO IPDL (Japanese Patent and Utility Model Images, searching by Japanese Classification)
DEPATISNET (Germany, Worldwide Patents)
KOREA INSTITUTE OF PATENT INFORMATION (Korean Patents & Utility Models, R)
WIPO IPDL (PCT advanced search)
 

COMMERCIAL PATENT DATABASES (R):
DIALOG (Worldwide Patents, Legal, Literature, Business, News, Press Releases)
QUESTEL-ORBIT (Worldwide Patents, Legal, Literature)
STN (Patents, Chemical Abstracts, Literature)
PATOLIS-E (Legacy: Japanese Patents, Applications, and Utility Models, Legal)
DELPHION (Worldwide Patents, IBM TDBs)
WORLD INTELLECTUAL PROPERTY SEARCH (Worldwide Patents)
 

PATENT CLASSIFICATION INFORMATION:
U.S. PATENT CLASSIFICATION (USPC, F)
U.S. PATENT CLASSIFICATION INDEX (U.S.P.T.O., F)
INTERNATIONAL PATENT CLASSIFICATION (7th) (IPC, F)
REFORMED INTERNATIONAL PATENT CLASSIFICATION (8th) (Reformed IPC, F)
EUROPEAN PATENT CLASSIFICATION (EPC, F)
JAPANESE PATENT CLASSIFICATION (F-Terms and FI classification, F)
GERMAN PATENT CLASSIFICATION (DEKLA, F)
DERWENT CLASSIFICATION CODES (DC, F)
DERWENT MANUAL CODES, VOL. 1 (Manual Codes, R)
DERWENT MANUAL CODES, VOL. 2 (Manual Codes, R)
 

LEGAL INFORMATION (PATENTS):
CAFC DECISIONS (F)
USPTO PAIR SEARCH (Maintenance fees, Application information, F)
USPTO BPAI FINAL DECISIONS (Board of Patent Apeals and Interferences Decisions, F)
EUROPEAN EPOLINE REGISTER-PLUS (European Application information, F)
USPTO ASSIGNMENTS ON THE WEB (Patent Assignments, F)
OFFICIAL GAZETTE NOTICES (U.S.P.T.O., F)
PATENT LAWS (35 U.S.C., F)
PATENT RULES (37 C.F.R., F)
MANUAL OF PATENT EXAMINING PROCEDURE (U.S.P.T.O., F)
BNA PATENT, TRADEMARK, AND COPYRIGHT JOURNAL (R)
IP TODAY (Current IP Topics, F)
A.I.P.L.A. (IP Lawyers Association)
ABA IPL Section (American Bar Association)
FRANKLIN PIERCE LAW CENTER (F)
 

TRADEMARKS (F):
TESS (U.S.P.T.O. Trademark Database)
TRADEMARK APPLICATIONS AND REGISTRATIONS RETRIEVAL (TARR)
U.S. DESIGN SEARCH CODE MANUAL (U.S.P.T.O.)
 

LITERATURE SEARCHING:
CITESEER.IST (Citation and full-text keyword searching, F)
CITEBASE SEARCH (Physics and Materials Science, arXiv pre-prints, F)
NASA ADS (Physics, instrumentation, and arXiv pre-prints, F)
INFOTRIEVE (Bibliographic searching, Document Delivery, R)
RESEARCH SOLUTIONS (Document Delivery)
SCITATION ONLINE SCI-TECH PUBLISHING (Physics, Engineering, Document Delivery)
NETWORKED DIGITAL LIBRARY OF THESES AND DISSERTATIONS (F)
ACM DIGITAL LIBRARY (Computer related literature)
JOPAL LITERATURE DATABASE (1981 to present, F,R)
 

LIBRARIES:
LIBRARY OF CONGRESS RESEARCH TOOLS (LCOC, Copyrights, F)
LINDA HALL LIBRARY (Leonardo On-line catalog, Document Delivery, R)
THE BRITISH LIBRARY (On-line catalogue, Document Delivery, R)
MIT BARTON ENGINEERING LIBRARY (On-line catalog, Theses, F)
 

INTERNET SEARCHES (F):
GOOGLE ADVANCED SEARCH
INTERNET ARCHIVE (Historical Internet pages)
 

JAPANESE TECHNOLOGY:
SCIENCE LINKS JAPAN
JST ENGLISH LANGUAGE PAGE
J-EAST (Searching Japanese Literature, F)
 

RUSSIAN TECHNOLOGY:
ACCESS RUSSIA (?)
 

WORLDWIDE IP INFORMATION:
BRITISH LIBRARY PATENT INFORMATION (links to Worldwide Patent Offices)
INTELLECTUAL PROPERTY LINKS (www.ip-links.de)
 

MISCELLANEOUS:
GET IPDL (Patent retrieval software)
GOOGLE ADVANCED PATENT SEARCH (Search U.S. Patents with Google)
PAT2PDF (Free PDF copies of U.S. Patents/Publications)
PATENT CITATION BRIDGE (Forward and backward citations of U.S. Patents, F,R)
IPDISCOVER (Patent search and retrieval software)
CLASSCLARIFY (U.S. Patent Classification search aid)
GOOGLE TRANSLATE TOOL (Machine translations)
FREE TRANSLATIONS (Machine translations)
U.S. PATENT ATTORNEYS AND AGENTS ROSTER (U.S.P.T.O.)
PATENT TERMS EXTENDED (from U.S.P.T.O. web site)
NATIONAL ASSOCIATION OF PATENT PRACTITIONERS
PATENT OFFICE PROFESSIONAL ASSOCIATION (POPA)
PIUG (Patent Information Users Group)
IPO (Intellectual Property Owners Association)
INVENTOR'S DIGEST
INVENTION & TECHNOLOGY
INTA (Trademarks Association)
U.S. COPYRIGHT OFFICE (Library of Congress)

Updated: 4/2007 --- Do you have useful links you'd like to share? E-mail us