Mary S. Johnson - Johnson Gray McNamara, LLC

Mary S. Johnson

Listed in Best Lawyers since 2008
Phone: 985-246-6544

Ms. Johnson is active in the defense of complex environmental, toxic tort, chemical exposure, carbon monoxide,  insurance coverage, medical monitoring, naturally occurring radioactive material (“NORM”) occupational injury cases,  oyster, oil spill, pesticide, personal injury, property damage, and class action litigation. She also has an active mediation and appellate practice in the same areas. Ms. Johnson has particular abilities in defending premises owners, employers and their executive officers in occupational exposure and related medical monitoring litigation throughout Louisiana.  She is defending a number of  cases alleging damage to coastal marshes, wetlands, oyster leases, property and global warming claims relating to Hurricane Katrina.  She also has substantial experience in multi-party and class action lawsuits, and has handled a number of consolidated NORM, asbestos, pesticide, silica and chemical exposure cases. She defended a major shipyard in the In re: Combustion Inc. toxic tort litigation that included 17 toxic tort suits with over 12,000 plaintiffs alleging personal injury, property damage, and “fear of cancer” against 84 defendants, in addition to third-party demands against over 300 generator companies, the United States Government and the insurers of the former site owners and operators. Ms. Johnson successfully pursued the site owners, operators and their insurers in a CERCLA cost recovery action on behalf of a PRP Group.  She was selected for inclusion in The Best Lawyers in America for Environmental Law, Mass Tort Litigation and Personal Injury Litigation 2008-2010.

Other Professional Experience:
Founding Member (Nov 2005- Present) Johnson Gray McNamara LLC

Partner (1994 – 2005) and Associate (1988 – 1993) Liskow & Lewis

Law Clerk to the Honorable Wallace A. Edwards, First Circuit Court of Appeal, Louisiana, 1986 – 1988

Year Admitted to Practice:

Tulane University (B.A., 1983)

Loyola University (J.D., cum laude, 1986)

Law School Honors :
Member, Loyola Law Review

Board Member, Loyola Moot Court Intramural Coordinator

Loyola University New OrleansJ.D. 1986

Case History

Comer v. Murphy Oil — Global Warming Class Action filed by Mississippi residents alleging greenhouse gas emissions of oil companies, coal companies, utilities companies and chemical companies contributed to global warming which increased intensity of Hurricane Katrina which exacerbated personal injury and property damage suffered by plaintiffs.  Petition for Rehearing En Banc pending before the US Fifth Circuit.
Barasich, et al. v. Columbia Gulf Transmission Co., et al.,

Suit was filed after Hurricane Katrina against a pipeline class of defendants and an exploration & production class of defendants that dredged canals on the Louisiana coast during their operations.  A similar class action, Villa, et al. v. Columbia Gulf Transmission Co., et al., was filed against many of the same defendants.  Plaintiffs alleged that the presence and negligent maintenance of these canals destroyed over 1 million acres of marsh property and that, “but for the negligent actions of defendants in failing to properly manage their canals, marsh property would have existed at the time Hurricane Katrina arrived at the Louisiana coast and Hurricane Katrina’s winds and storm surge would have been greatly diminished by the marsh property, thus averting all, or almost all, of the loss of life and destruction of property that resulted from Hurricane Katrina.”  Plaintiffs subsequently amended the class definition to include “all persons and/or entities, who/which have sustained injuries, loss and/or damages as a result of the enhanced impact of hurricane force winds and storm surges as a result of wetland loss attributable to oil and gas exploration and/or production activities and who/which were residents of, owned properties or businesses” in seventeen coastal parishes.  Judge Vance dismissed the Barasich and Villa consolidated matters granting defendants’ motion to dismiss for failure to state a claim under Louisiana tort law but denying defendants’ motion to dismiss for nonjusticiability under the political question doctrine.

In Re Harvey TERM — Putative class action filed in 2001 against numerous oil companies, pipe yards and landowners seeking recovery for personal injury and property damage from exposure to Naturally Occurring Radioactive Materials (NORM) from pipecleaning operations.  Trial court decision denying plaintiffs'' motion to certify class currently on appeal to Louisiana Fourth Circuit Court of Appeal.
In Re Combustion — Class Action alleging personal injury and property damage filed by residents of Livingston Parish against multiple generators, transporters and owners/operatiors of former oil reclamation facility which was designated as a Superfund Site.  Multiple reported decisions on significant issues of Louisiana tort and insurance law.
Cheramie v. Shell Deepwater Production Inc. — Louisiana Supreme Court granted Shell''s application for certiorari from Fourth Circuit ruling reversing trial court decision that plaintiffs who were neither consumers nor business competitiors of defendants had standing to assert private right of action under the Louisiana Unfair Trade Practices and Consumer Protection Act (LUPTA).  Oral argument scheduled for January 21, 2010.
Barasich, et al. v. Shell Pipeline Co., et al. — Case filed on behalf of a class of commercial fishermen who allegedly suffered damages resulting from oil spills from numerous facilities in Plaquemines Parish.  Plaintiffs amended the proposed class to include all residents of Plaquemines Parish whose person and/or property was contaminated by oil discharged during Hurricane Katrina.  Judge Barbier denied plaintiffs'' motion for class certification and dismissed plaintiffs'' case with prejudice.
Julius B. Sellers, Jr. v. El Paso Industrial Energy, LP,, et al.Show MoreCase History End

Client Comments

"Best brief writer. Excellent with detailed facts, complicated procedure, and mass dockets to her clients' advantage. "

Office Location

21357 Marion Lane, Suite 300
Mandeville, LA 70471
United States

Practice Areas

Litigation - Environmental
Mass Tort Litigation / Class Actions - Defendants
Personal Injury Litigation - Defendants (Appellate, Asbestos, Civil Litigation, Environmental, Insurance, Mass Tort, Occupational Disease, Punitive Damages, Toxic Tort)

Other Information

Race: Caucasian
Gender: Female

Putative Class Action filed on behalf of owners of undeveloped property in St. Charles Parish against several corporate defendants, the State of Louisiana and the Pontchartrain Levee District claiming property damage and inverse condemnation.  Trial court denial of plaintiffs'' motion to certify class affirmed by Louisiana Fifth Circuit.