The document provides an overview of patent information sources. It discusses the history of patents, what a patent is, why patents are important, what information is contained in a patent document, how patents are organized using classification systems, and important patent sources available on the internet such as Espacenet and the United States Patent and Trademark Office website.

1. Patent Information Sources By Kan Sok Cheng

2. Collect by Narges Hossini Science Library Assistant Librarian Assist by Saeid Nezareh Science Library

5. Brief Introduction to Patent

17. What is on a Patent Document? Claims Description/ Specification

19. IPC – Sections Jun 7, 2009 Section A: Human Necessities E.g. Agriculture, Foodstuff; Personal or domestic articles Section B: Performing Operations; transporting E.g. Physical or chemical processes or apparatus in general; Hand cutting tools; Vehicles in general Section C: Chemistry; Metallurgy E.g. Inorganic & Organic Chemistry; treatment of water, wastes etc Section D: Textiles; Paper E.g. Yarns; treatment of textiles; Paper making Section E: Fixed Constructions Construction of roads, railways or bridges; Hydraulic engineering Section F: Mechanical Engineering; Lighting; Heating; Weapons; Blasting E.g. Machines or engines in general Section G: Physics E.g. Optics; Photography; Horology; Nuclear Physics; Nuclear engineering Section H: Electricity E.g. Basic Electric elements; Electric Communication Techniques

20. IPC8 – Jan 2006 http://www.wipo.int/classifications/ipc/ipc8/?lang=en Section Class Subclass Further divided into Group and Subgroup Subsection Jun 7, 2009 MOST IMPORTANT INFORMATION

21. Patent Sources on the internet

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