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X-Ref PCT Book - Edition 2023The Cross-Referenced Patent Cooperation Treaty compiled by Cees Mulder has been a bestseller since it was first published in 2003.
The 2023 edition of The Cross-Referenced PCT book is the twentyfirst edition of the book and takes account of the Regulations under the PCT as in force since 1 July 2022. Detailed information about the A4 size book can be found here. The current edition of The X-Ref PCT is required if you are preparing for the European Qualifying Examination (e:EQE) in March 2024. |