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Rankings: Pennsylvania Powerhouses

  • September 08, 2025

    Pennsylvania Powerhouse: Reed Smith

    While Reed Smith LLP has no official headquarters in any of its 33 offices around the globe, its founding in Pittsburgh 148 years ago undoubtedly makes Pennsylvania a beloved home base — the BigLaw firm's Pittsburgh and Philadelphia offices are home to its global managing partner and a dozen or so other top firm executives.

  • September 05, 2025

    Pennsylvania Powerhouse: Cozen O'Connor

    Cozen O'Connor stood out this year as one of Pennsylvania's most successful firms in both transactional and litigation matters, from its involvement in sealing Pennsylvania American Water Co.'s $230 million acquisition of the regional sewer authority, to a $150 million bank merger, to pursuing a defamation case against a billionaire accused of smearing a family of racehorse owners.

  • September 04, 2025

    Pennsylvania Powerhouse: Kline & Specter

    Kline & Specter PC's attorneys continued to rack up multimillion-dollar awards on behalf of plaintiffs over the past year, while also successfully defending verdicts on appeal and speaking out against the government's targeting of other law firms.

  • September 03, 2025

    Pennsylvania Powerhouse: Duane Morris LLP

    Though they sit on opposite sides of the state, the attorneys in Duane Morris LLP's Pittsburgh and Philadelphia offices have closely collaborated on significant litigation wins in Pennsylvania in the past year, involving matters such as medical malpractice, fracking and even Sesame Place.

  • September 02, 2025

    Pennsylvania Powerhouse: Buchanan Ingersoll

    As the United States prepares for its 250th anniversary celebration, Buchanan Ingersoll & Rooney PC marked its 175th year in 2025 by finding a new home for Philadelphia's SS United States, along with closing labor deals and mergers with a strong impact on the state's economy, setting precedent in environmental litigation and defending its hometown health network's employment contracts.

  • August 29, 2025

    The 2025 Regional Powerhouses

    Law360's annual list of regional powerhouses reflects not only the work of exemplary firms, but also emerging legal trends in each state, from matters involving Colorado's growing life sciences industry, to an uptick in bankruptcies in Delaware, to the continued flurry of intellectual property litigation in California.

  • September 19, 2024

    Pennsylvania Powerhouse: Cozen O'Connor

    Cozen O'Connor's commitment to its home base of Pennsylvania continued to propel its success in the last year, with the firm steering high-profile Keystone State clients such as the University of Pennsylvania and helping to secure the exoneration of a wrongfully convicted Philadelphia man who spent nearly four decades in prison.

  • September 18, 2024

    Pennsylvania Powerhouse: Hangley Aronchick

    A roster of fewer than 50 high-quality attorneys with deep roots in the state who are accustomed to handling significant cases has kept Hangley Aronchick Segal Pudlin & Schiller one of the top firms in Pennsylvania over the last year.

  • September 17, 2024

    Pennsylvania Powerhouse: Kline & Specter

    Kline & Specter may not be responsible for the Philadelphia Court of Common Pleas' reputation for "nuclear verdicts," but some of the firm's recent wins — including an eye-popping $2.25 billion jury award against Monsanto — haven't hurt that perception, while multimillion-dollar settlements and verdicts around Pennsylvania have shown it's not just a matter of home-court advantage.

  • September 16, 2024

    Pennsylvania Powerhouse: Lynch Carpenter

    Lynch Carpenter established itself as one of Pennsylvania's high-performing firms in 2024, from involvement on the plaintiffs' steering committee overseeing the $600 million deal to resolve the East Palestine, Ohio, train derailment litigation, to its assistance in achieving a settlement in CPAP medical device litigation of at least $479 million, as well as several wins in the realm of tuition reimbursement from universities that eliminated in-person learning during the COVID-19 pandemic.

  • September 13, 2024

    The 2024 Regional Powerhouses

    The law firms on Law360's list of 2024 Regional Powerhouses reflected the local peculiarities of their states while often representing clients in deals and cases that captured national attention.

  • August 25, 2023

    Pennsylvania Powerhouse: Lynch Carpenter

    Lynch Carpenter LLP assisted in the $28.5 million settlement between convenience store chain Wawa and several financial institutions after a data breach, and helped a class of 75 applicants in multidistrict litigation involving noise-canceling foam used in Philips Respironics' sleep apnea machines, thus establishing it among Pennsylvania's top firms.

  • August 23, 2023

    Pennsylvania Powerhouse: Cozen O'Connor

    Attacking the ongoing backlog of pandemic-delayed cases brought more Cozen O'Connor attorneys to the courtroom in 2023, but they also took part in real estate and financing deals that will make a mark on the firm's home city, Philadelphia, from the names on its soccer stadium to the trolleys that roll through its streets.

  • August 22, 2023

    Pennsylvania Powerhouse: Buchanan Ingersoll

    Having opened in the Steel City in 1850, Buchanan Ingersoll & Rooney PC is proud to be "Pittsburgh born," firm Chairman and CEO Joseph Dougherty told Law360.

  • August 22, 2023

    Pennsylvania Powerhouse: Hangley Aronchick

    Attorneys from Philadelphia firm Hangley Aronchick Segal Pudlin & Schiller spent the past year litigating some notable cases, including successfully defending Philadelphia District Attorney Larry Krasner from impeachment charges brought by state legislators.

  • August 21, 2023

    Pennsylvania Powerhouse: Blank Rome LLP

    Blank Rome LLP has expanded in recent years to markets such as Dallas, Chicago and California's Orange County, but Pennsylvania is where the firm's roots run deep.

  • August 18, 2023

    The 2023 Regional Powerhouses

    The law firms on Law360's list of 2023 Regional Powerhouses are handling some of the biggest deals and most high-profile courtroom battles across 11 states, offering clients regional expertise and making a lasting impact on the law at the state and local level.

  • August 18, 2023

    Tech, Life Sciences Lift Pa. Powerhouses

    Law360's Pennsylvania Powerhouse firms racked up impactful litigation victories on both the plaintiff- and defense-side and closed massive transactions in the life science and health care sectors over the past year, solidifying the state's identity as a major biotechnology hub as firms weathered fears of an economic downturn and continued to thrive.

  • August 05, 2022

    Pennsylvania Powerhouse: Kleinbard

    From its single location in the center of Philadelphia, Kleinbard LLC has made its presence known on statewide and national issues in the last 12 months, which helped the firm receive recognition as one of Law360's 2022 Pennsylvania Powerhouses.

  • August 04, 2022

    Pennsylvania Powerhouse: Cozen O'Connor

    Cozen O'Connor attorneys have steered some of Pennsylvania's most notable matters in the past year, helping to avert a strike in the Philadelphia area's pandemic-battered public transit system, facilitate an agricultural company's multimillion-dollar growth spurt and secure bond financing for Thomas Jefferson University, earning Cozen a spot as one of Law360's Pennsylvania Powerhouses of 2022.

  • August 03, 2022

    Pennsylvania Powerhouse: Cohen Seglias

    Attorneys at Cohen Seglias Pallas Greenhall & Furman PC have spent the last 34 years cultivating a reputation as one of the top construction law firms in the Pennsylvania region, a status that helped the firm become one of Law360's 2022 Pennsylvania Powerhouses.

  • August 02, 2022

    Pennsylvania Powerhouse: Blank Rome

    Blank Rome LLP this year scored a string of big wins for clients in high-stakes litigation, including clearing the National Collegiate Athletic Association of liability in the first collegiate athletic concussion case and securing a defense victory for Johnson & Johnson in talc litigation.

  • August 01, 2022

    Strong Economy Drove Pa. Powerhouses Large And Small

    Bolstered by cost savings from virtual court and revenues from a strong economy, the four firms tapped as Law360's Pennsylvania Powerhouses for 2022 are diverse in size and subject matter, but unified in their commitment to the Keystone State and its mature legal market.

  • July 31, 2022

    The 2022 Regional Powerhouses

    The law firms on Law360's list of 2022 Regional Powerhouses are handling some of the biggest deals and most high-profile courtroom battles across nine states, offering clients regional expertise and making a lasting impact on the law at the state and local level.

  • August 06, 2021

    Pennsylvania Powerhouse: Hogan Lovells

    Attorneys from Hogan Lovells' Philadelphia office have found themselves in the middle of some of Pennsylvania's most relevant cases in the last 12 months, including a major hospital merger in Philadelphia, a gun safety lawsuit against the state, and a biotech company's FDA approval for a COVID-19 testing kit.