John J. Allen


John J. Allen is a partner in the Los Angeles office and is a member of the Environmental Practice Group. John has built a diverse environmental private practice which includes advising and representing clients in all key substantive areas of environmental law including laws governing air emissions, wastewater treatment and discharge, and management of hazardous wastes and substances. He provides clients with compliance counseling and also litigates federal and state liability claims.

With more than 14 years of experience as general counsel in the private sector, John has gained valuable insight into client needs and expectations, as well as how to work successfully within the regulatory process. In addition to his general knowledge of federal, state and local environmental laws and procedures in his areas of practice, John has developed a good working relationship with many of the staff members of various environmental agencies. For example, he works regularly with a number of the state’s nine Regional Water Quality Control Boards in California, the South Coast Air Quality Management District, other air districts and boards, the state Department of Toxic Substances Control and federal Environmental Protection Agency (EPA).

John also provides counseling and legal representation in occupational safety and health regulatory matters as well as various consumer product and “green chemistry” legislation including California Safe Drinking Water and Toxics Enforcement Act (“Proposition 65”), the federal Consumer Product Safety Act and European Union regulations applicable to electrical and electronic equipment and hazardous chemicals.

Prior to entering private practice, John was corporate counsel for Landsea Oil Company, a private petroleum marketing firm and also for International Technology Corporation, one of the country's leading environmental consulting and waste management firms.

John serves as adjunct professor at Pepperdine University School of Law.


  • Selected for inclusion in Southern California Super Lawyers (2004 - 2015)
  • Selected for inclusion in The Best Lawyers in America in the field of Environmental Law (2013 - 2015) 

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John graduated cum laude from California State University, Long Beach in 1970 and earned his J.D. from Loyola Law School Los Angeles in 1976.

Bar Admissions

  • California