Photocopy of a typescript index of early unnumbered patents. The entries in the document are arranged chronologically with the "X" patent number provided. Patents that were recovered after the Patent Office fire of 1836 are hand-recorded with class and subclass numbers in the right-hand column.

Whether you're a patent examiner, patent attorney, commercial patent searcher, patent liaison, IP librarian, law professor, or competitive intelligence analyst, you'll find Patent Searching: Tools and Techniques to be just the guide you have been waiting for, with a range of approaches to patent searching that will be useful to you regardless of your technical expertise or role in the intellectual property community.

These Guidelines are designed both for general users of patent information, as well as for those involved in producing Patent Landscape Reports (PLRs). They provide step-by-step instructions on how to prepare a PLR, as well as background information such as objectives, patent analytics, concepts and frameworks.