Johnson, Phillip <br/><br/>
Roughton, Johnson and Cook on patents / 
 Patents 
Philip Johnson, Ashley Roughton, Trevor Cook. 
 - Fifth edition. 
 - cclxxxv, 1627 pages 
 - Butterworths intellectual property law series .
 - Intellectual property law series. .
<br/><br/> Previous edition: published as The modern law of patents. London: Butterworths/LexisNexis, 2018. 
<br/><br/> Roughton, Johnson & Cook on Patents (formerly known as the Modern Law of Patents) is an essential resource for patent lawyers and patent attorneys. 
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<br/><br/><label>ISBN: </label>9781474321266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patent laws and legislation--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>346.486041