Philly Lawyers that Fight for You

Groen Strokoff O’Neill, LLC has more than 100 years combined courtroom experience, strategic legal thinking, and an unwavering commitment to justice. The Lawyers at GSO have over 100 cases tried to verdict in Pennsylvania and New Jersey. Our team includes:

Each trial lawyer at Groen Strokoff O’Neill brings unique strengths, creating a powerhouse legal team that has secured hundreds of millions of dollars in compensation for catastrophically injured clients.

Studies consistently show that being represented by attorneys instead of self-representation leads to better case outcomes with larger settlements. To discuss the particulars of your case, reach out to us directly at: 215-297-6156.

Philadelphia Attorneys with Deep Roots in the Philadelphia Community

Our Philadelphia office at 1905 Spruce Street, located in the heart of the vibrant Center City neighborhood, placing us at the crossroads of Philadelphia’s legal and medical communities. This strategic location allows us to serve clients from every corner of the city – from Fishtown to Manayunk, from South Philadelphia to Chestnut Hill, and everywhere in between.

We understand the melting pot of Philadelphia because we’re part of it. We know the intersections where accidents happen most frequently, the hospitals where medical errors occur, the construction sites throughout the city where workers face daily dangers, and the nursing homes where our elderly loved ones deserve better care. This local knowledge makes us more effective advocates for our clients.

While some may seek Philadelphia community legal services for various legal matters, our firm handles serious personal injury, wrongful death cases, nursing home abuse, and more. We’ve developed a depth of expertise in the types of cases that result in life-changing injuries. When you’re deciding which lawyers in Philadelphia to hire, choose a law firm that has people dedicating their entire careers to mastering the intricacies of Pennsylvania law.

Trial Attorneys Serving the Conshohocken Area

Beyond our Philadelphia presence, our second office is located at 125 East Elm Street, Suite 200 in Conshohocken, Pennsylvania. This Montgomery County location allows us to serve the broader Philadelphia metropolitan area, including the Main Line communities, King of Prussia, Norristown, and the surrounding suburbs. Whether you live in the city or the suburbs, our team is accessible and ready to fight for your rights.

Trial Lawyers Serving Philadelphia’s Surrounding Counties and New Jersey

GSO Trial Lawyers represents individuals and families in complex injury and wrongful death litigation throughout Philadelphia, Montgomery County, Delaware County, Bucks County, Chester County, and New Jersey. From our offices in Philadelphia and Conshohocken, we handle catastrophic injury and medical malpractice cases with a trial-focused strategy tailored to each jurisdiction.

Clients seeking a trial lawyer in Montgomery County or a personal injury attorney in Delaware County rely on our preparation, expert development, and courtroom advocacy in high-stakes cases.

Why Choose GSO Trial Lawyers?

Statewide and Regional Reach
While we’re proud to be Philly lawyers serving our local community, our practice extends throughout Pennsylvania and New Jersey. We’ve handled cases in courtrooms across both states, building relationships with judges and earning respect from our peers in the legal community. Our results speak for themselves. We’ve secured a $6.6 million recovery for a medical misdiagnosis case, $4.1 million for negligent surgery, $3.146 million in a premises liability verdict, and countless other significant recoveries. These aren’t just numbers. These represent medical bills paid and families given the financial security they need. As a boutique law firm, we limit our caseload to ensure every client receives the personal attention they deserve. When you call our office, you’ll speak with an attorney Philadelphia residents trust. Your case will be handled by experienced trial lawyers from start to finish. We work on a contingency fee basis, which means you pay nothing upfront and no attorney fees unless we successfully recover compensation on your behalf. This arrangement ensures that anyone who has been seriously injured can access top-tier legal representation, regardless of their financial situation. Serious injury cases require significant resources. Our firm has established relationships with leading medical experts, accident reconstructionists, economists, life care planners, and other specialists who can help build the strongest possible case on your behalf.

Awards and Recognition

Our commitment to excellence has earned recognition from organizations including Avvo, Super Lawyers, The National Trial Lawyers Top 100, Million Dollar Advocates Forum, Best of the Bar, and the National Association of Distinguished Counsel. These accolades reflect our dedication to achieving outstanding results for our clients.

GSO Lawyers Practice Areas and Cases We Represent

Medical Malpractice

When doctors, nurses, hospitals, or other healthcare providers fail to meet accepted standards of care, the results can be devastating. We hold medical professionals accountable for surgical errors, misdiagnosis, medication mistakes, birth injuries, and other forms of negligence.

Sexual Abuse

Our trial attorneys represent survivors of sexual abuse and institutional misconduct throughout Philadelphia, Montgomery County, and Delaware County, including Bryn Mawr, Ardmore, Media, Lansdowne, and Wayne. We pursue civil claims against individuals and institutions across Bucks County, Chester County, and New Jersey.

EMTALA Claims

GSO represents patients harmed by improper emergency room treatment or unlawful patient transfers under the Emergency Medical Treatment and Labor Act (EMTALA). We handle EMTALA claims in Philadelphia, Montgomery County, and Delaware County, including King of Prussia, Norristown, Media, and Upper Darby, as well as Bucks County, Chester County, and New Jersey.

Wrongful Death

No amount of money can replace a loved one, but families deserve accountability and financial security when negligence causes a preventable death. We handle wrongful death claims with the sensitivity and aggressive advocacy they require. Families seeking a wrongful death lawyer in Montgomery County, Delaware County, Bucks County, Chester County, and New Jersey turn to GSO Lawyers for compassionate and trial-focused representation following fatal medical negligence, vehicle crashes, and unsafe premises incidents.

Nursing Home Abuse and Neglect

Our elderly loved ones deserve dignity and proper care. We fight nursing home facilities that allow abuse, neglect, bedsores, malnutrition, and other preventable harms. We advocate for victims of elder abuse and neglect in nursing homes throughout Montgomery County and Delaware County, including Norristown, Blue Bell, Media, and Drexel Hill. Our trial attorneys pursue long-term care negligence claims across Pennsylvania and New Jersey.

Trucking Accidents

Because trucking companies and their insurers act quickly to limit exposure, we prepare every case from day one as if it will be tried to verdict. We investigate driver conduct, hours-of-service violations, maintenance failures, cargo loading practices, and corporate safety policies to identify every responsible party. Our firm works with accident reconstruction experts, engineers, and medical specialists to build cases designed for the courtroom.

Car Accidents

Car accidents can result in catastrophic injuries and complex insurance disputes. We represent victims of rear-end collisions, distracted driving crashes, drunk driving accidents, and other serious motor vehicle collisions, fighting to secure full compensation for medical expenses, lost wages, and long-term harm.

Motorcycle Accidents

Motorcyclists face unique dangers on Philadelphia’s busy streets and highways. Our trial lawyers understand the bias motorcyclists often face from insurance adjusters and juries, and we work to overcome these prejudices while securing full compensation for road rash, fractures, spinal injuries, and other serious harm.

Construction Accidents

Philadelphia’s booming construction industry creates opportunities but also dangers. We represent workers injured in scaffolding collapses, crane accidents, falls from heights, and other construction site incidents. Our trial attorneys pursue third-party liability claims across Pennsylvania and New Jersey.

Workplace Injuries

Our Conshohocken and Philadelphia attorneys identify all potential sources of compensation to ensure injured workers receive everything they’re entitled to, including pain and suffering damages not available through workers’ comp alone. We evaluate workers’ compensation and third-party claims in Philadelphia, Bucks County, Chester County, and New Jersey.

Product Liability

Dangerous and defective products can cause catastrophic harm. Our attorneys investigate design and manufacturing defects, gather expert testimony, and pursue claims against manufacturers and distributors to obtain justice for injured consumers. GSO Lawyers holds manufacturers and distributors accountable in Philadelphia, Bucks County, Chester County, and New Jersey.

Slip & Fall

Slip and fall accidents in retail stores, apartment complexes, and commercial properties can cause devastating injuries. We represent clients seeking a slip and fall lawyer in Philadelphia, Montgomery County and Delaware County, Bucks County, Chester County, and New Jersey.

Premises Liability

Property owners have a duty to maintain safe conditions. GSO Lawyers represents clients hurt by slip-and-falls, negligent security, and other hazards, holding responsible parties accountable for unsafe premises and securing compensation for injuries and related costs.

Talk to an Attorney Today!

If you or a loved one has suffered a serious injury in Philadelphia or anywhere in Pennsylvania or New Jersey, contact Groen Strokoff O’Neill, LLC Trial Lawyers today at 215-297-6156. We’re ready to evaluate your case, answer your questions, and explain your legal options during a free, confidential consultation.

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A Word From Our Clients

Max Goldberg esq. did a fantastic job on my case. He was very empathetic and professional throughout the process. Max was very knowledgable and communicated well, I was never left in the dark. I highly recommend their services for anyone seeking a trusted firm to represent them!

Eric

Francis O’Neill represented me for personal injury case. Excellent speaking skills, clear communication. Mr. O’Neill and his staff responded to my emails and phone calls promptly. Finest, patient listener, he explained everything in an easy to understand manner. Was very thoughtful with reviewing my medical records, circumstances of my injury and was very knowledgeable about my current condition. He has outstanding research and analytical skills. He has won settlement in my difficult case with best possible outcome and I am happy to have such highly experienced lawyer on my side. I would definitely recommend Mr. O’Neill one of the best reputable trial lawyers in Pennsylvania and his entire firm.

Enna

In the time I needed them, they were there. GSO Lawyers were thorough, persistent and most importantly, they showed great care. Justin Groen is a legend and he fought hard for my family! He helped us get through a very trying time of my life and I will forever be grateful! I recommend them with the highest regard! If you need a lawyer, someone who will fight hard for you and get you what your family needs, please call Justin and the GSO team ASAP!

Kyle

William Coppol came highly recommended to me and he lived up to that recommendation. He answered all my questions and was incredibly patient with me. I was a nervous wreck going into this and he looked out for me and got me a better result than I could have expected. I highly recommend his services, you will be in great hands.

John

I couldn’t be more grateful for the representation I received from Justin Groen, Bill Coppol and everyone else at GSO. From start to finish, they were professional, responsive, and had my best interests in mind. They made the process smooth and easy to understand, always taking the time to answer any questions I had and walking me through every step. Their knowledge, strategy, and dedication truly showed, and I felt supported throughout the entire process. Additionally I felt confident that every day they were fighting for the best possible outcome in my case. I would highly recommend them to anyone looking for professional and experienced personal injury attorneys who know how to deliver results.

Thomas

I felt very confident with Franklin Strokoff. He understood how aggrieved we felt about our situation. I knew he was devoted to us and working toward the best outcome. I never felt the need to question or reach out to him, I knew he was on top of our case. If a question did arise, he always responded promptly.

Karen

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