Pierre Queiroz de Oliveira
About Pierre Queiroz de Oliveira
Pierre Queiroz de Oliveira is a lawyer based in Philadelphia, PA and has been recognized in Best Lawyers: Ones to Watch® in America since 2023. Pierre Queiroz de Oliveira is recognized in the following practice areas:
- Philadelphia, Pennsylvania
- Intellectual Property Law
- Life Sciences Practice
- Patent Law
Current Firm: DLA Piper
Education: Duquesne University, J.D., graduated 2014
Location: Philadelphia, PA
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Joe concentrates in state and local taxation, regularly assisting business and individual taxpayers regarding corporate, financial institution, sales and use, income, real estate, transfer, and all other state and local taxes. A former chief counsel of the Pennsylvania Department of Revenue, he has since represented hundreds of taxpayers — including businesses, individuals, and nonprofit entities — in state and local tax planning, administrative, legislative, and litigation matter...
Michael P. Clarke is dedicated to representing townships, water and sewer authorities, school districts, and other governmental entities across Bucks, Montgomery, Delaware, and Lycoming Counties in Pennsylvania. At Clarke Gallagher Barbiero Amuso & Glassman Law, located in Trevose, he focuses on municipal law, leveraging a broad range of experience gathered over years of practice. Before joining the firm, Michael gained significant experience at a litigation firm in Philadelphia, where he...
John H. Filice is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships). He has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area. Mr. Filice, a Partner with the law firm of Rubin, Glickman, Steinberg & Gifford P.C., Colmar, PA, joined the firm in 2001 after grad...
Nancy B. G. Lassen is a partner in the Philadelphia office of Willig, Williams & Davidson. Nan has focused her practice on labor law at WWD since 1984. Nan grew up in Detroit, MI in a family with strong ties to labor. Her father (a disabled veteran) was a Teamster. Her mother was a UAW member. And her grandfather was a Steelworker. Nan herself has been a tireless and courageous advocate for working men and women for decades. Working in industry since age 15, including on a Chrysler assemb...
Ted Murphy began practicing Immigration Law in 1994. During his early years as a sole practitioner, he represented individuals in detained and juvenile immigration matters. In 1997, he entered federal service, where he spent more than a decade with U.S. Immigration and Customs Enforcement (ICE) and the former Immigration and Naturalization Service (INS). His background includes work on complex immigration cases and regular speaking engagements addressing developments in immigration law. In 20...
Frances P. Rayer is experienced in the immigration field, where she represents institutional clients and multinational corporations who are seeking to employ foreign nationals in the United States on either a temporary or permanent basis.The majority of Fran’s practice focuses on the area of employment-based immigration for institutional clients, multinational corporations, and universities. Her clients come from a wide variety of industries, including technology, telecommunications, he...
Craig B. Huffman is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Craig B., who practices law in Media, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig B. is held by other top lawyers in the same geographic and legal practice area.
Greg Mast specializes in complex insurance coverage and business litigation for domestic and international insurers. Having spent time as both a law clerk and in-house counsel, Greg has earned a reputation as a respected advocate inside and outside of the courtroom. In addition to his nationwide practice, Greg also heads up Fields Howell’s Philadelphia office. As a foundation for his legal practice, Greg spent two years working in the U.S. House of Representatives, where his legislative...
Patrick J. O´Connor is vice chairman of Cozen O´Connor. He is a trial lawyer who focuses his practice on litigation arising out of contracts, banking matters, estates, professional liability involving legal and accounting matters, health care, and aviation-related claims. Prior to joining Cozen O´Connor in 1973, he served as law clerk to the Hon. Thomas J. Clary, chief judge of the U.S. District Court for the Eastern District of Pennsylvania, and was an associate attorney at...
Mr. August is a nationally recognized tax lawyer who advises clients on income tax matters, including foreign taxation of U.S. businesses and U.S. taxation of foreign businesses and investors. In many instances he works with corporate and real estate counsel on selecting the proper entity in which to engage in domestic or foreign business or investment operations. He has been involved in structuring as well as negotiating merger and acquisitions, both taxable and non-taxable, joint ventures, ...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
What Is the Difference Between a Will and a Living Trust?
by Bryan Driscoll
A practical guide to wills, living trusts and how to choose the right plan for your estate.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.