New York attorney record · Judicial Dept 2
Mark Lyle Greenfogel
University Of Pennsylvania alumna, admitted to the New York bar in 2015, registered office in Golden, CO. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2015
- Admitted
- 11
- Years in bar
- 5295977
- NY reg #
The record in one line
Admitted in 2015, Mark Lyle Greenfogel has built 11 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 11 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #9 of 12
- by tenure in Golden office peers
- Law school
- University Of Pennsylvania
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5295977 on the New York register belongs to Mark Lyle Greenfogel, currently in active standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under National Laboratory Of The Rockies, located in Golden, CO, ZIP 80401. Educational background: UNIVERSITY OF PENNSYLVANIA (2,351 registered alumni).
State context & due diligence
Mark Lyle Greenfogel is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
11 years into an active New York practice since a 2015 admission, Mark Lyle Greenfogel sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
11 years on the New York bar
Years since admission, all currently-active NY attorneys
11 Top 75% higher than 25% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
Tenure among Golden, CO office peers
In the small Golden, CO cohort (12 with admission years), Mark Lyle Greenfogel ranks #9 by tenure. See the Golden attorney directory .
- Local rank
- #9
- City cohort
- 12
- Local percentile
- 67th
- Admitted
- 2015
Nearest tenure peers in Golden
- Maxwell Benjamin Cohen admitted 2016 · 10 yr
- Anthony John Tedeschi admitted 2016 · 10 yr
- Michael Alan Cooper admitted 2017 · 9 yr
- Benjamin Lee Hirshfield admitted 2013 · 13 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of September 2026. Derived local rank, not published upstream.
How Mark compares to fellow University Of Pennsylvania alumni
Among the 1,836 University Of Pennsylvania graduates in the New York register, Mark Lyle Greenfogel is longer-tenured than 6%.
11 years vs. University Of Pennsylvania alumni
Years since admission - 1,836 NY-registered alumni of this school
11 Top 94% higher than 6% of 1,836 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
University Of Pennsylvania's active-bar rate
Of University Of Pennsylvania's 2,351 alumni in the New York register, 71.8% currently hold "Currently registered" status, above the statewide average.
The 2015 admission class today
Of the 8,867 attorneys admitted to the New York bar in 2015, 93% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5295977
- Year Admitted
- 2015 (11 yrs · mid-career)
- Judicial Department
- 2
- Next Registration
- Dec 2027
Location & Contact
- Company
- National Laboratory Of The Rockies
- City
- Golden, CO
- ZIP Code
- 80401
- Phone
- (303) 275-3000
Education
Status Distribution Across the New York Bar
Mark Lyle Greenfogel's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Near-tenure University Of Pennsylvania alumni
Fellow alumni on the NY register whose admission year is closest to 2015 (excluding same-firm colleagues above).
Same admission year (2015), other cities
NY-registered attorneys admitted in 2015 whose listed office city differs from Golden, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Lyle Greenfogel: closest NY bar admission year outside CO, and closest out-of-state office cities by how many NY-registered attorneys they list (~13 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2015)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Golden, CO
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Compare Mark Lyle Greenfogel with similar attorneys in Golden.
Compare attorneys →Before you rely on this record
Mark Lyle Greenfogel's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Mark Greenfogel licensed?
Mark Greenfogel is licensed to practice law in New York.
When was Mark Lyle Greenfogel admitted to the bar?
Mark Lyle Greenfogel has been on the New York bar register since 2015.
Where did Mark Lyle Greenfogel go to law school?
Mark Lyle Greenfogel attended UNIVERSITY OF PENNSYLVANIA.
What company does Mark Lyle Greenfogel work for?
Mark Lyle Greenfogel is associated with National Laboratory Of The Rockies in Golden, CO.
Is Mark Lyle Greenfogel in good standing?
Yes, Mark Lyle Greenfogel holds active bar status ("Currently registered").
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.