Sigmund J. "Sig" Roos
Recognized in Best Lawyers since 2013 About Sigmund J. Roos
Sigmund J. Roos is a lawyer based in Boston, MA and has been recognized in The Best Lawyers in America® since 2013. Sigmund J. Roos is recognized in the following practice area:
- Boston, Massachusetts
- Commercial Litigation
Current Firm: Block & Roos LLP
Education: Northeastern University, J.D., graduated 1983
Location: Boston, MA
Nearby Lawyers
Brandon L. Bigelow is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law and Litigation - Antitrust. Brandon L., who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brandon L. is held by other top lawyers in the same geographic and legal practice area.
Timothy Holahan is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Timothy, who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy is held by other top lawyers in the same geographic and legal practice area.
Marianne LeBlanc is a trial attorney with a proven record of success in the courtroom and over two decades of experience in representing injured clients. With record-setting verdicts in Massachusetts, Marianne’s advocacy skills draw on her commitment to making a difference both for her clients and the community at large. Marianne concentrates in all aspects of serious personal injury litigation, including liquor liability, premises liability, medical malpractice, and nursing home litiga...
Ellen Kearns represents management in a full range of traditional labor and employment issues, including NLRB proceedings, negotiations, and arbitration. Ellen has obtained injunctions in labor disputes, and has resolved strike issues. She has appeared before federal and state courts and administrative agencies with respect to employment discrimination, sexual harassment, wrongful discharge cases, wage and hour matters, and other employment related litigation. Ellen is recognized nationally f...
William J. Bernat is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. William J., who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William J. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
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.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
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.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
