Mark L. Powers | KnowJudges

## Judicial assignments
[New York Supreme Court, Appellate Division, Third Department](/kyj/court/ny/new-york-supreme-court-appellate-division-third-department)Associate JusticeSource checked October 15, 2026. [Roster source](https://www.nycourts.gov/ad3/about/justices-of-the-court.shtml)
These published assignments do not certify a complete bench.

## Biography

### Professional career

### Education

### Additional information


## Published courtroom rules

### Shared court rules

- [Practice Rules of the Appellate Division — 22 NYCRR Part 1250](https://knowjudges.com/courtroom-rules/ny-shared-set-f25158f78380e6ddc10f) — Appellate Division matters only; not Appellate Terms or the Court of Appeals. Preserve the applicable department rules. [Official source](https://www.nycourts.gov/courts/AD1/Practice&Procedures/rules.shtml). Collected 2026-10-27.
- [Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-99a7824bb8e009643f842c03) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://www.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true). Collected 2026-07-26.
- [Part 29: Electronic Recording and Audio-Visual Coverage in Court Facilities and of Court Proceedings](https://knowjudges.com/courtroom-rules/national-shared-set-34fe480ab82f22fa3c31d257) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://www.nycourts.gov/rules/part-29-electronic-recording-and-audio-visual-coverage-court-facilities-and-court-proceedings?from_node=15921&topic=386&wrapped=true). Collected 2026-07-26.