IPA patent 4.2-patent-classifications — IP Australia Patent Manual of Practice and Procedure – 4.2 Patent Classifications

Also in this Chapter: 4.1 Search Theory ​​​​​​​ 4.3 Initial Search Considerations 4.4 Development of the Search Strategy 4.5 Conducting the Search 4.6 Recording the Search Details 4.7 Annexures 4.8 User Guides Sub-Chapters: 4.2.1 Patent Classification Systems 4.2.2 Principles of Classification 4.2.3 Other Classification Information