P. Derek "Derek" Petersen

P. Derek "Derek" Petersen

Litigation - Environmental
Recognized Since Recognized in Best Lawyers since 2018

About P.

P. Derek Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental.P. Derek, who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which P. Derek is held by other top lawyers in the same geographic and legal practice area.

P. Derek Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental.P. Derek, who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which P. Derek is held by other top lawyers in the same geographic and legal practice area.

P. Derek Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental.

P. Derek, who practices law in Phoenix, Arizona, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which P. Derek is held by other top lawyers in the same geographic and legal practice area.

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Reviews

4.6 / 5

0 Reviews

1,005 Profile Views

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Mei Lin Zhang

Jan 05, 2026

Transformed a Seemingly Hopeless Situation Completely

Facing multiple environmental violation charges that threatened to shut down our family farm, we thought all was lost. Derek's creative legal strategy turned everything around. He identified procedura...

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Lakshmi Patel

Jan 05, 2026

Went Above and Beyond Every Single Expectation

When our nonprofit faced litigation over habitat preservation efforts, Derek's dedication was extraordinary. He worked late nights reviewing thousands of documents, connected us with expert witnesses...