Llewelyn, David, Intellectual property : patents, copyright, trademarks and allied rights / David Llewelyn and Tanya Aplin - Ninth edition - London : Thomson Reuters, 2019 - cxliv, 955 pages : no illustrations ; 23 cm Includes index ISBN: 9780414065826 (paperback) Subjects--Topical Terms: Intellectual property --Great Britain LC Class. No.: KD1269 L54