Sar Katdare Partner

Sar has been advising major multinational and ASX listed companies on cartels, mergers and competition and consumer law matters for over 20 years.

Sar is the trusted competition law advisor to many major multinational and ASX listed companies on cartels, mergers and day-to-day competition and consumer law matters.  He is regularly recognised as a leading lawyer in Chambers, Legal 500, Who’s Who Legal, Best Lawyers and Client Choice.

Sar has been involved in landmark cartel cases including acting for an immunity applicant in criminal cartel proceedings and Unilever in the laundry detergent cartel.  Sar has successfully advised Bauer Media, Ruralco, Unilever, Qantas, Yahoo! and BHP in obtaining informal clearance for significant transactions.

Over the last 20 years, Sar has also been involved in a number of landmark competition cases including ACCC v Baxter Healthcare (misuse of market power), ACCC v AMA/Mayne (price fixing), ACCC v Boral (merger) and Pan Pharmaceuticals (product liability).  He also advised BHP Billiton on access applications by Fortescue Metals Group to its Pilbara iron ore railways.

He has strong expertise in the Food and Grocery Code, the Dairy Code and is the key advisor on the voluntary code of conduct for the gas industry.

Key publications

ACCC Merger Report

Fifth edition of our report on recent trends in complex merger review cases by the Australian Competition & Consumer Commission.



Landmark competition cases

Criminal cartel - money remittance

First criminal cartel prosecution involving the Australian Federal Police.


Immunity applicant in ACCC cartel proceedings against Colgate, Cussons and Woolworths (A$500 million).

Baxter Healthcare

ACCC proceedings for misuse of market power and exclusive dealing (first instance).

Mayne Group

ACCC proceedings for alleged price fixing (health industry) and DFE proceedings for alleged cartel conduct (transport industry).


ACCC proceedings for contravention of section 50 for the proposed acquisition of Adelaide Brighton (A$867 million).

Mergers & acquisitions


ACCC informal clearance for acquisition of Insight Data Solutions ($150m).


Strategic partnership with Fonterra.

PLBY Group Inc

ACCC informal clearance for acquisition of Honey Birdette ($443m).


Informal clearance for acquisition of Weis.


Agreement with Google.


Competition approvals in Australia, Singapore, Japan, China, Taiwan and Vietnam for Jetstar Pan Asia Strategy (A$500 million).

Bauer Media

Informal clearance for proposed acquisition of Pacific Magazines ($40m).

Yahoo! Inc

Informal clearance from ACCC for global search engine deal with Microsoft Corp (US$500 million).

BHP Billiton

Informal clearance from ACCC for Rio Tinto offer – (iron ore component) (A$66 billion).


Informal clearance for proposed acquisition by Nutrien ($450m).


Advising on $700m bid for Downer.


Obtaining ACCC clearance for PepsiCo’s US$3.2 billion acquisition of SodaStream.

Litigation & investigations

Smith’s Snackfoods, Pepsi, Unilever

Subpoenaed parties in 7-Eleven class action.


Advising a number of current and former executives in ACCC investigation for alleged cartel conduct.


ACCC investigation into ice cream sector in Australia.

Seven Network

Resolution of ACCC investigation of alleged anti-competitive conduct with other networks and OzTam.


ACCC proceedings in Airlines Terms and Conditions project.

Ruralco Holdings

Private litigant proceedings for unconscionable conduct.

Access to infrastructure

BHP Billiton

Advising and acting on all aspects of FMG applications for rail track access under Part IIIA.

Flinders Ports

Advising in relation to re-certification of SA Ports Access Regime under Part IIIA.

Queensland Competition Authority

Competition advice.

Advisory & compliance

Advisory & compliance

Ongoing advice and compliance work on all aspects of competition and consumer law for LexisNexis, Spotify, 3M Australia, Audika, Australian Gas Networks, Baiada, Blackmores, Collinson Group, EG Fuel, Flinders Ports, flybuys, Obela, Pepsi, Rentokil, a2 Milk, Volvo.

Product liability


Advising and implementing product recall.


Advising and implementing product recall.

Pan Pharmaceuticals

Advising on product recall and product liability issues.

Code of conduct

Australian Petroleum Production and Exploration Association (APPEA)

Drafting and providing strategic and legal advice on the Gas Supplier Voluntary Code of Conduct including engagement with Government and ACCC.

Various companies

Advising companies on the Franchising Code of Conduct, Food and Grocery Code, the Dairy Code and the Oil Code.


Recommended leading competition lawyer
Doyles Guide, 2021
Ranked as a next generation partner for competition and trade
Asia Pacific Legal 500, 2021
Ranked as a band 3 lawyer for competition and antitrust
Chambers Asia Pacific, 2018-2021
Recommended in competition and trade law
Asia Pacific Legal 500, 2019
Recognised as one of the world's leading competition lawyers
Who's Who Legal, 2018 - 2019
Recommended in competition and trade law
Asia Pacific Legal 500, 2018
Recognised in competition, regulatory practice and trade law
Best Lawyers, since 2017
Winner of Client Choice Award for competition/antitrust
Lexology, 2017
Who’s Who Legal
Future Leaders, 2017
Sar is noted as a 'standout performer' in JWS's 'exceptional' team
Asia Pacific Legal 500
Sar is recognised for his 'excellent, commercial approach to problem solving'
Chambers Asia-Pacific
Sar is noted for his ‘great depth of knowledge of the broader matters that drive competition law’
Asia Pacific Legal 500
Sar is also noted as "highly intelligent and pragmatic" partner who provides "punchy, matter-of-fact, efficient and clear" advice
Chambers Asia-Pacific
Sar Katdare is praised by clients, one of whom explained: "He has a great depth of knowledge, not only of the law, but also of the broader matters that drive competition laws and how the regulator thinks. He also makes himself available and is quick to respond"
Chambers Asia-Pacific
Sar is cited by referees as a particularly accessible, responsive and pragmatic partner who stands out not only for his "good practical understanding of the laws and of ACCC’s application of them," but also as someone who is "prepared to offer advice that highlights the risks but plots a commercial path through the obstacles"
Chambers Asia-Pacific

Career & qualifications


  • Bachelor of Laws (Hons), Flinders University
  • Master of Laws, Deakin University

International experience

  • Competition Commission Singapore
  • Ministry of Commerce People’s Republic of China
  • Japan Fair Trade Commission 
  • New Zealand Commerce Commission
  • Fair Trade Commission, Taiwan
  • Vietnam Competition Administration Department 


  • International Bar Association
  • Law Council of Australia
  • Jury Member, Ad Standards

Insights Read more insight

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The price to pay for excessive surcharging

It has been over 5 years since the excessive payment surcharge laws were introduced but the ACCC’s recent action against Nine Entertainment Co (Nine) demonstrates that the ACCC will continue to...

The class exemption for small business collective bargaining is now in play

On 3 June 2021, the much-anticipated class exemption for small businesses, franchisees and fuel retailers came into effect.