Judge Roy S. Mahon: Professional Background and Legal Expertise

Biography

The Hon. Roy S. Mahon is a justice for the Nassau County Supreme Court in the Tenth Judicial District of New York. Mahon was initially elected to the Nassau County District Court in 1991. He then joined the Nassau County Supreme Court after an election in 1998.


Mahon earned a B.A. from St. John’s University in 1974. He then completed a J.D. at Fordham University School of Law in 1977.


He began his legal career as a deputy county attorney in the Office of the Nassau County Attorney in 1978. He served there until his election to the bench, rising through the ranks to become a deputy bureau chief in 1987.


His memberships have included the New York State Bar Association and the Nassau County Bar Association. He has also served as president of the New York State District Court Judges Association and as counsel for the State of New York Police Juvenile Officer Association.


Mahon is registered as a Republican.

Recent Cases by Hon. Roy S. Mahon

On June 14, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

Jun 14, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Dec 22, 2022

On June 13, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

Jun 13, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Dec 17, 2022

On June 6, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

12 Files
Filed

Jun 06, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Sep 20, 2023

On May 27, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

8 Files
Filed

May 27, 2022

Status

Settlement

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Case Last Refreshed

Feb 03, 2023

On May 24, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

2 Files
Filed

May 24, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Administrative

Matter Type

Agency Action

Case Last Refreshed

Jan 31, 2023

On May 18, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

May 18, 2022

Status

Settlement

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Nov 17, 2022

On May 9, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

23 Files
Filed

May 09, 2022

Status

Judgment (Other)

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Dec 10, 2022

On May 6, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

17 Files
Filed

May 06, 2022

Status

Settlement

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Feb 02, 2023

On May 5, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

16 Files
Filed

May 05, 2022

Status

Settlement

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Commercial

Matter Type

Breach of Contract

Case Last Refreshed

Feb 03, 2023

On April 29, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

16 Files
Filed

Apr 29, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Sep 30, 2023

On April 28, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

17 Files
Filed

Apr 28, 2022

Status

Settlement

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Feb 02, 2023

On April 22, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy S. Mahon presiding.

16 Files
Filed

Apr 22, 2022

Status

Judgment on Award

Judge

Hon. Roy S. Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy S. Mahon

Court

Nassau County

County

Nassau County, NY

Case Last Refreshed

Feb 06, 2023

On April 21, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

16 Files
Filed

Apr 21, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Dec 03, 2023

On April 19, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

Apr 19, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Feb 03, 2023

On April 18, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

Apr 18, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Feb 04, 2023

On April 11, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

2 Files
Filed

Apr 11, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Torts

Matter Type

Automobile

Case Last Refreshed

Feb 06, 2023

On April 6, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

15 Files
Filed

Apr 06, 2022

Status

Judgment on Award

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Nov 15, 2022

On April 6, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

19 Files
Filed

Apr 06, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Creditor

Matter Type

Consumer Debt

Case Last Refreshed

Feb 06, 2023

On April 4, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

8 Files
Filed

Apr 04, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Torts

Matter Type

General Negligence

Case Last Refreshed

Feb 03, 2023

On April 4, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

11 Files
Filed

Apr 04, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Feb 01, 2023

On March 30, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

3 Files
Filed

Mar 30, 2022

Status

Pre-RJI

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Torts

Matter Type

General Torts

Case Last Refreshed

Apr 01, 2022

On March 24, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

10 Files
Filed

Mar 24, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Arbitration

Matter Type

General Arbitration

Case Last Refreshed

Jan 30, 2023

On March 21, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

22 Files
Filed

Mar 21, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Case Last Refreshed

Nov 29, 2023

On March 15, 2022 a case was filed in the jurisdiction of Nassau County. Judge Roy Mahon presiding.

35 Files
Filed

Mar 15, 2022

Status

Closed

Judge

Hon. Roy Mahon Trellis Spinner 👉 Discover key insights by exploring more analytics for Roy Mahon

Court

Nassau County

County

Nassau County, NY

Practice Area

Administrative

Matter Type

Agency Action

Case Last Refreshed

Feb 05, 2023

Please wait a moment while we load this page.

New Envelope