Henry A. Petri, Jr.
About Henry A. Petri, Jr.
Henry A. Petri, Jr. is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2012. Henry A. Petri, Jr. is recognized in the following practice area:
- Washington, District of Columbia
- Litigation - Patent
Current Firm: Polsinelli PC
Location: Washington, DC
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
Peter Everett is a trial lawyer who devotes his practice to representing persons injured by the reckless or careless acts of others. His practice includes four broad areas. First, Mr. Everett represents victims of violent crimes in child care center, employee assault and inadequate security cases against child care centers, private schools, shopping malls, hotels, apartment buildings and other commercial properties. He has testified before Congress on legislation designed to regulate the secu...
Kirk Nahra has been a leading authority on privacy and cybersecurity matters for more than two decades. He co-chairs the firm’s Cybersecurity and Privacy Practice as well as the Artificial Intelligence Practice. In recognition of his professional work in these areas, he was named the winner of the 2021 Vanguard Award from the International Association of Privacy Professionals (IAPP)—one of the most prestigious in the privacy field—which recognizes one IAPP member each year w...
Ms. Knapp is a partner at Shounbach having joined the firm in 2013. Her legal career has been dedicated entirely to the practice of family law since completing a two year judicial clerkship with the Honorable William D. Hamblen (Ret.) in Prince William County Circuit Court. Ms. Knapp graduated from George Mason University School of Law 2011, however, law is a second career for Ms. Knapp. Prior to law school, she worked in public and media relations for six years, gaining oral and written advo...
P. Andrew Spicknall is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. P. Andrew, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which P. Andrew is held by other top lawyers in the same geographic and legal practice area.
Tom Vincent is a Partner at Pierson Ferdinand and is a Certfied Information Systems Security Professional, a Certified Regulatory Compliance Manager, and a Certified Information Privacy Professional/United States. Tom helps organizations navigate the complex legal landscape of cybersecurity, data privacy, compliance, and corporate governance with practical, business-minded legal counsel. Drawing on his background as a former banking executive and compliance officer, he brings a strategic, pre...
Julie Mitchell Newlands represents individuals and their families in cases involving serious injury or wrongful death. She has substantial experience litigating personal injury and medical negligence cases in the District of Columbia, Maryland, and Virginia. Julie is a dedicated advocate for victims of life-altering events related to another’s negligence. She accompanies her clients through the litigation process with diligence and compassion. Julie has obtained six, seven, and eight-fi...
John Dalton is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John, who practices law in Washington, District of Columbia, 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.
Michael S. McFalls is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Michael S., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael S. is held by other top lawyers in the same geographic and legal practice area.
John Callahan Hale is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. John Callahan, who practices law in Fairfax, Virginia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John Callahan is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.