Peter G. Siachos is the Co-Chair of the firm’s Commercial Litigation and Class Action practice groups and Managing Partner of the Charleston office. An accomplished trial attorney, he has taken 77 trials to verdict and routinely handles class actions, multidistrict litigation (MDLs), and complex individual matters nationwide, many of which are high-exposure and garner significant media attention, before federal and state courts, administrative agencies, and domestic and international arbitration panels.
- Obtained an appellate class action defense ruling against a claim that consumers could not dispense the full labeled quantity of thick, viscous makeup from the pump bottles in which L’Oréal packaged multiple lines of cosmetics. The U.S. Court of Appeals for the Second Circuit ruled that plaintiffs’ case violates the federal Food, Drug and Cosmetic Act (“FDCA”), which expressly preempts any state law requirements that differ from federal law. For more information, click here.
- Obtained a complete class action dismissal of two-year pending case for L’Oréal against a claim of deceptively marketing a black women’s hair relaxer as scalp-protecting but instead caused burns and hair loss. For more information, click here.
- Obtained a unanimous defense verdict in Ulster County, New York after a week-long jury trial defending the largest refrigerated trucking company in the nation, along with its truck driver. For more information, click here.
- Obtained a defense verdict for New York Sports Clubs (“NYSC”) after a four-day jury trial in the Superior Court of New Jersey, Essex County. For more information, click here.
- Obtained a favorable ruling from the Massachusetts Federal District Court dismissing a six-count class action complaint against the firm’s client, a beverage manufacturer, facing a large potential exposure. For more information, click here.
- Defeated a bid protest concerning a $150 million contract with the Hillsborough County Aviation Authority in Tampa, Florida. For more information, click here.
- Obtained a judgment in favor of an Alternative Retail Electric Supplier client in the Northern District of Illinois after the Judge granted the Motion to Dismiss. For more information, click here.
- Obtained complete dismissal of a multi-count complaint filed against their client, a worldwide luxury travel company, on a pre-answer motion to dismiss in the United States District Court for the District of New Jersey. For more information, click here.
- Obtained complete dismissal of a federal lawsuit against a client that manages and services domestic and international consumer debt portfolios for credit grantors and debt buyers. For more information, click here.
- Obtained complete dismissal of a multi-count complaint filed against their client, the second largest tax preparation franchisor in the nation, on a motion to dismiss in the United States District Court for the Eastern District of New York. For more information, click here.
- Obtained complete dismissal of a lawsuit against their client, a credit union, regarding a large-denomination fraudulent check. For more information, click here.
- Obtained complete dismissal of a professional negligence action filed against their client, a construction lien clearinghouse, on a motion for summary judgment. For more information, click here.
- Obtained complete dismissal of a multi-count arbitration filed against their client, a worldwide franchisor of fitness centers before a three-member arbitration panel of the International Arbitration Tribunal of the American Arbitration Association. For more information, click here.
- Obtained complete dismissal of a federal lawsuit against a client that manages and services domestic and international consumer debt portfolios for credit grantors and debt buyers. For more information, click here.
- Obtained complete dismissal of a multi-count lawsuit filed against their client, one of the largest tax preparation service franchisors in the country, in the Eastern District of Virginia. For more information, click here.
- Earned a key victory before the Second Circuit Court of Appeals in a putative class action alleging that gym members were retaliated against for bringing claims against the gym under consumer protection statutes. For more information, click here.
- Obtained a complete defense verdict for L’Oréal against a claim that one of its hair products badly injured users. For more information, click here.
- Obtained summary judgment for a national insurance carrier in a coverage dispute in the United States District Court for the District of South Carolina. For more information, click here.
- Scored victory that will benefit every maker of food, drugs, and cosmetics sold at retail. For more information, click here.
- GRSM Team Convinces En Banc Third Circuit to Reverse Three-Decades-Old Precedent in Riccio v. Sentry Credit. For more information, click here.
- Secured a temporary restraining order and preliminary injunction against a franchisee, who continued to a operate a business in violation of her franchise agreement’s non-competition and non-solicitation provisions in the Western District of Washington. For more information, click here.
- Obtained a unanimous defense verdict in a case related to a motor vehicle accident where a tractor-trailer was subject to a sudden lane change by another vehicle and crossed the median into oncoming traffic. For more information, click here.
- In 2025, Peter authorized the New Jersey chapter of the American Bar Association’s (ABA) book titled Franchise Relationship Laws: A Practical Guide
- Presenter, Through the Looking Glass: Ethics & the Elimination of Bias in Legal Representation, GRSM Legal Education Conference, New York, New York, May 2023
- Presenter, Through the Looking Glass: Ethics & the Elimination of Bias in Legal Representation, GRSM Legal Education Conference, Hartford, CT, May 2023
- Presenter, Defense Bar Current Case Law Roundup, National Creditors Bar Association, May 19, 2021
- Presenter, Ethics Quiz Show, GRSM Legal Education Conference, May 2019
- Presenter, How to Win at Trial When Your Case Won’t Settle, GRSM Legal Education Conference, New York and Hartford, May 2018
- Presenter, Responding to Subpoenas for Mental Health and Substance Abuse Records, Alere, August 21, 2015
- Presenter, Crossing the Finish Line: Best Practices in Avoiding Malpractice During Mediation and Settlement, GRSM National Professional Liability Webinar Series, July 16, 2015
- Presenter, Ethics Quiz Show, GRSM Legal Education Conference, January 22, 2015
- Out of Sight, Out of Mind: Trade Secrets, Non-Competes and Franchise Issues in the Employment Arena, GRSM National Employment Webinar Series, December 9, 2014
Admissions
- New Jersey
- New York
- Pennsylvania
- South Carolina
- District of Columbia
- Supreme Court of the United States
- U.S. District Court, District of New Jersey
- U.S. District Court, District of South Carolina
- U.S. District Court, Southern, Eastern, Northern and Western Districts of New York
- U.S. District Court, Eastern and Middle Districts of Pennsylvania
- U.S. District Court, Northern District of Ohio
- U.S. District Court, District of Colorado
- U.S. District Court, Northern District of Illinois
- U.S. Court of Appeals, Second, Third, Fourth and Sixth Circuits
- U.S. Bankruptcy Court, District of New Jersey
- U.S. Bankruptcy Court, Southern and Eastern Districts of New York
Memberships
- Defense Research Institute
- International Franchise Association
- American Bar Association
- Trucking Industry Defense Association (TIDA)
- Charleston Motor Carrier Association
Education
- J.D., University of South Carolina School of Law, 2000
- B.A., University of South Carolina Honors College, 1997
Honors
- Legal Eagle, Franchise Times (2019, 2021, 2025)*
- Managing Partner to Watch, South Carolina Lawyers Weekly (2024-2025)
- Power Player in Commercial and Consumer Litigation, South Carolina Lawyers Weekly (2024-2025)
- AV® Preeminent™, Martindale-Hubbell*
- New Leaders of the Bar, New Jersey Law Journal (August 2013)*
- Algernon Sydney Sullivan Award
- Order of the Barristers
- Super Lawyers® distinction in Business Litigation, Franchise & Dealership, General Litigation, 2025
- Super Lawyers® Rising Stars distinction in Business Litigation, Franchise & Dealership, General Litigation, 2011-2015
*No aspect of this advertisement has been approved by the Supreme Court of New Jersey.
The Legal Eagles list is issued by Franchise Times. A description of the selection methodologies can be found at: https://www.franchisetimes.com/.
A description of the Martindale-Hubbell selection methodology can be found at:
https://www.martindale.com/ratings-and-reviews/.
The Leaders of the Bar list is issued by New Jersey Law Journal. A description of the selection methodologies can be found at: https://www.law.com/.
Languages
- Greek
- Spanish
