Marc Joseph Grenier

PRO

Marc Joseph Grenier

also known as Marc J. Grenier

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Rating: 8.2

Licensed for 34 years

Litigation Lawyer at Norwalk, CT
Practice Areas: Litigation, Family, Landlord & Tenant ... +5 more

25 Belden Avenue, Norwalk, CT

About Marc

Biography

Marc J. Grenier joined the firm in 1997 and has been a partner since 1999.

His practice covers the areas of:

• Probate Litigation

• Civil Litigation

• Matrimonial Law

•...

Practice Areas

8

Practice Areas

Alimony 14%

14%
Family 14%

14%
Landlord or Tenant 14%

14%
Litigation 14%

14%
Probate 14%

14%
Real Estate 14%

14%
State, Local, and Municipal Law 14%

14%
Other 2%

2%

Fees and Rates

We have not found any cost information for this lawyer

Licenses

Licensed in Connecticut for 34 years

State: Connecticut

Acquired: 1991

Active

No misconduct found

Location

Law Offices of DePanfilis & Vallerie, LLC

25 Belden Avenue, Norwalk, CT, 06850-3303

dandvlaw.com/profile_mjg.html

Depanfilis & Vallerie, LLC

25 Belden Ave, P O Box 699, Norwalk, CT, 06850-3303

dandvlaw.com/profile_mjg.html

Marc Joseph Grenier's Reviews

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Marc Joseph Grenier's Lawyer Endorsements

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Kevin M Black headshot
Kevin Black

Litigation lawyer | Aug 13

Relationship: Fellow lawyer in community

"Marc is one of the best lawyers in the State. He is respected by judges and attorneys alike and always has his clients best interests in mind. I endorse this lawyer."

John Paul Thygerson headshot
John Thygerson

Litigation lawyer | Dec 03

Relationship: Fellow lawyer in community

"Marc is a tenacious advocate who leaves no stone unturned in the advancement of his client's interests. He is a beast in court and not to be tangled with. I endorse him without reservation!"

Richard P Hastings headshot
Richard Hastings

Litigation lawyer | Apr 30

Relationship: Opposing Counsel on matter

"Marc is an aggressive advocate for his clients and is very effective."

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Experience

Rating:  8.2 (Excellent)

Honors

2025

Super Lawyer, Super Lawyers

2022

Super Lawyer, Super Lawyers

N/A

AV Preeminent Rated, Martindale-Hubbell

Work Experience

1900 - Present

Managing Partner, DePanfilis & Vallerie, LLC

Associations

Fairfield County Bar Association

Member

Connecticut Bar Association

Member

Connecticut Trial Lawyers Association

Member

Education

1991

New England School of Law

JD - Juris Doctor

1988

Providence College

BS - Bachelor of Science

Avvo Rating

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  • Discipline Disciplinary information may not be comprehensive, or updated. We recommend that you always check a lawyer's disciplinary status with their respective state bar association before hiring them.
Avvo Rating Levels
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