Criminal Lawyer


Phone:  08 9535 4604

Fax:       08 9535 4603



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Deearnah was admitted to the Supreme Court of Western Australia in 2018 after completing a Bachelor of Laws and Bachelor of Criminology Double Degree and a Graduate Diploma of Legal Practice.

Deearnah cut her teeth assisting Trent in some of the most serious criminal matters. Together, they make an unbeatable team.

Deearnah has been employed with Petherick Cottrell Lawyers since February 2020 and works alongside Trent Petherick in the Criminal law team.

Deearnah enjoys the outdoor life and when she’s not working in the office or fighting hard for clients in Court, you can find her camping or out on her boat enjoying the ocean and marine life.