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About Zaven

Zaven is an accomplished litigator, with a successful record defending cases brought by the ACCC, ASIC and other regulators against clients before state and federal courts.

He is sought after for his litigation expertise, commercially astute thinking, and care and commitment to achieving the best outcome for his clients.

A partner of Arnold Bloch Leibler for more than 25 years, Zaven’s clients include national and international leaders in retailing, fashion, wholesale, online and construction.

He has appeared in several high profile Federal and Supreme Court competition and consumer law matters, has advised hedge funds and transaction parties in relation to major international and domestic mergers, and successfully defended confidential and public cartel and other anti-competitive conduct investigations.

Zaven has earned a reputation for successfully representing clients facing some of the toughest regulatory investigations and prosecutions in the country. Clients praise Zaven for his vigorous protection of their brands and market reputation.

Described as a “master tactician” with “excellent tactical litigation skills”, Zaven is recognised in the area of competition and intellectual property law by Chambers Asia Pacific, Legal 500 Asia Pacific and Best Lawyers® International. 

Zaven graduated from Monash University with a Bachelor of Laws with honours and a Bachelor of Arts.

“Zaven is extremely commercial, aggressive when he needs to be in a contentious context, and projects confidence in his provision of advice. He also has a really good client management style and is the sort of lawyer you know you can call at any hour.”

Client quote

Practice focus

Zaven’s practice focuses on the following areas:

  • ACCC, ASIC, ACMA, APRA and AHPRA investigations and prosecutions
  • complex commercial litigation
  • competition and consumer law, cartel proceedings, mergers and acquisitions, consumer protection, and product liability
  • media, advertising, online marketing, and brand protection; and
  • intellectual property litigation

“You don’t want to go into battle without a Zaven at your side; his intellect gives you confidence, his arguments attract the support of your shareholders, and you feel as if you’re two feet taller than anyone else on the field.”

Client quote

Experience

Zaven’s clients have included:

  • Accent Group (Athlete’s Foot, Hype, Platypus, JD Sport, Style Runner)
  • Aesop
  • Anaconda
  • Australian Constructors Association
  • Australian Grand Prix Corporation
  • Australian Sustainable Hardwoods
  • Barro Group
  • Becton Group
  • Besen Group
  • Booktopia Ltd
  • Breville
  • CBA
  • Cbus
  • Challenger Limited
  • Commschoice
  • Cygnett
  • Decjuba
  • Dial-a-Dump Industries
  • Gurner
  • Hostplus
  • Ice Jewellery
  • Ultra Violette
  • InComm Payments
  • Industry Funds Management
  • Industry Super Australia
  • IFM Investors
  • InstaScripts
  • JB Hi-Fi
  • Just Group Limited (including Peter Alexander, Just Jeans, Portmans, Dotti, Jay Jays, Jacqui E and Smiggle)
  • Kawasaki
  • Kogan
  • Kookai
  • Kop-Coat
  • Labelmakers
  • Leighton Group
  • Lendi
  • Liberty Oil
  • MAB Corporation
  • Mecca
  • Melbourne Airport
  • Mirvac Group
  • Mitre 10
  • Mosaic Brands (including Millers, Rivers, Noni B, Autograph, Beme,
  • Rockmans, Crossroads, W Lane, and Katies)
  • Namatjira Legacy Trust
  • Napoleon Perdis
  • Nufarm
  • Palla Pharma
  • Praeco
  • Premier Investments Limited
  • Probiotec
  • Retail Food Group Ltd (including Gloria Jeans, Brumby’s Donut King, Michel’s Patisserie and Crust)
  • Roche Group
  • Sportsgirl
  • Spotlight Group (including Anaconda, Harris Scarfe, and Spotlight)
  • Super Members Council
  • Ted Baker
  • Telstra Corporation
  • The Card Network
  • Towers Watson Superannuation
  • Transurban
  • White Fox
  • United Petroleum
  • Visy Group

Directorships & memberships

Zaven is a member of the Business Law section (Competition and Consumer Committee) of The Law Council of Australia.

Awards & recognition

Zaven is recognised as a leading lawyer by various international guides to lawyers and law firms, including:

  • Best Lawyers® International: competition law and intellectual property law
  • Chambers Asia Pacific: competition & antitrust and intellectual property, and
  • Legal 500 Asia Pacific: competition & trade and intellectual property.

Contact Zaven Mardirossian

Recognition & publications

Take a look at Insights & News articles referencing Zaven Mardirossian