Mary Sameera Van Houten Harper

Experience

Antitrust/Competition

• In re Diisocyanates Antitrust Litigation – Hausfeld represents a class of manufacturers in claims against major industrial suppliers for conspiring to artificially inflate prices of the chemicals methylene diphenyl diisocyanate (MDI) and toluene diisocyanate (TDI).
• In re Fragrance Direct Purchaser Antitrust Litigation - Hausfeld serves as Co-Lead Counsel for a class of direct fragrance purchasers against the four largest suppliers of fragrances and fragrance ingredients in the world, International Flavors & Fragrances Inc. (IFF), Symrise AG, Givaudan SA, and Firmenich SA, for potential price fixing and other anticompetitive conduct in the fragrance industry.

Environment & Product Liability

Among others, Mary represents a state attorney general’s office in a cutting-edge challenge against harmful levels of toxic metals in baby foods.

Human Rights

• Padre et al. v. MVM - Hausfeld represents families that were unlawfully separated pursuant to the unconstitutional family separation policy implemented during the first Trump administration. The defendant in this class action lawsuit is MVM, Inc., the private security contractor that transported thousands of migrant children away from their parents. The plaintiffs bring human rights claims for enforced disappearance, torture, and cruel and inhumane treatment under the Alien Tort Statute, among other claims.
• Kashef v. BNP Paribas SA – Mary is part of the Hausfeld team representing a class of refugees, asylees, and other victims of human rights abuses against a French bank that violated U.S. sanctions and enabled the Sudanese government to commit acts of genocide.