Siobhan Ryan Portrait

Siobhan Ryan

Bar roll 2006 Admitted 1991
  • Commercial Law Intellectual Property
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Siobhan Ryan is an experienced intellectual property lawyer, specialising in trade marks

Siobhan also advises and appears in trade practices, passing-off, copyright and designs matters. Siobhan practises in all Federal and State Courts and is also a registered trade mark attorney.  

Siobhan regularly appears before the Registrar of Trade Marks in oppositions, removal applications and registrability cases.

Liability limited by a scheme approved under Professional Standards legislation


Chambers & Clerk

Owen Dixon Chambers West
Level 23 Room 8

525 Lonsdale Street

Melbourne VIC 3000

View map

Jane King

03 9225 8558


Intellectual Property
  • Appellate
  • Confidential Information
  • Copyright & Designs
  • Media & Entertainment
  • Trade Marks
Commercial Law
  • Appellate
  • Consumer Law



Bachelor of Laws

Bachelor of Arts (Hons)



Entitled to practise in

State and Territory Courts and Tribunals

Federal Court of Australia

High Court of Australia

Recent Cases

Commercial Law and Intellectual Property

Paul's Retail Pty Ltd v Lonsdale Australia Ltd (2012) 294 ALR 72; [2012] FCAFC 130 and [2012] FCA 724, with R Cobden SC and JS Cooke; Lonsdale Australia Ltd v Paul's Retail Pty Ltd with G Clarke SC - Trade Mark infringement - scope of parallel importation defence - interlocutory injunction - expedited trial and appeal.

Delta Metallics Pty Ltd v King [2012] FCA 1119 and [2012] FCA 1328 - Counsel for Delta Metallics in trade mark infringement ("WHITE COLLAR BOXING"), s 52 TPA, s 18 ACL, passing off and contempt. Injunctions and account of profits ordered. Contempt found with indemnity costs ordered.

UCP Gen Pharma AG v Mesoblast Inc (2012) 95 IPR 562;[2012] FCA 210 and [2012] 500 - Counsel for UCP Gen Pharma. Successfully opposed trade mark removal application on appeal from the Trade Marks Office. Successsfully resisted leave to appeal application in Mesoblast Inc v UCP Gen Pharma AG [2012] FCA 509, with S Burley SC.

Spotless Services Australia Ltd v Qantas Airways Ltd (Fed Crt) VID 1183/2011 - Alleged trade mark infringement with revocation cross-claims with R Cobden SC.

Telstra Corp v Next IP Distribution Pty Ltd (2012) 98 IPR 219; [2012] ATMO 69 - Counsel for Telstra in successful Trade Marks Office opposition.

Caiazzo & Anor v Pearson Australia Group (VSC) No 01803 SCI of 2011 - Alleged beach of a publishing contract, misleading and deceptive conduct and infringement of moral rights.

QS Holdings Sarl v Paul's Retail Pty Ltd (2011) 92 IPR 460; [2011] FCA 853 QS Holdings Sarl v Paul's Retail Pty Ltd (No 2) [2011] FCA 1038 - Trade mark and copyright infringement - parallel importation defences.

British American Tobacco Exports BV v Trojan Trading Company Pty Ltd (2010) 90 IPR 392; [2010] VSC 572 - Trade Marks Act criminal offences s 145 and s 148 with B Greene.

Radburg v Chiropedic Bedding Pty Ltd [2008] HCA Trans 412; Chiropedic Bedding Pty Ltd v Radburg Pty Ltd [2008] FCAFC 142; Chiropedic Bedding Pty Ltd v Radburg Pty Ltd [2007] FCA 1869 and [2009] FCA 1163, with G McGowan SC - Successful design infringement prosecution and revocation resisted, at trial and on appeal.

Four Seasons Design Inc v Ly Thai Corporation Pty Ltd FCA VID 499/2009 - License dispute, breach of confidential information, copyright infringement.

Delta Metallics Pty Ltd v Amici Group Pty Ltd FCA VID 691/2008 - Trade mark infringement, s 52 TPA and passing off.

Pichler v Dickens & Ors VSC 8623/2008, with M Robins - Share holder oppression action, breach of contract, breach of fiduciary duty, confidential information, copyright.


Victorian Bar - Art and Collections Committee

Institute of Patent & Trade Mark Attorneys (IPTA)

Intellectual Property Society of Australia and New Zealand (IPSANZ)