Allison Kathleen Regan is an attorney registered with Office of Attorney Regulation Counsel of the Colorado Supreme Court, admitted in October 16, 2025. The current status is ACTV – Active. The firm name is Haynes Boone LLP. The business address is 675 15th Street, Suite 2200, Denver, CO 80202.
| Registration Bar Number | 61960 |
| Full Name | Allison Kathleen Regan |
| First Name | Allison Kathleen |
| Last Name | Regan |
| Firm Name | Haynes Boone LLP |
| Address | 675 15th Street Suite 2200 Denver CO 80202 |
| Telephone | (303) 382-6214 |
| License Status | ACTV – Active |
| Admission Date | 2025-10-16 |
| Private Practice | Yes |
| Professional Liability Insurance | Yes |
| Disciplinary History | No public disciplinary history on file |
| Firm Name | Haynes Boone LLP |
| Address | 675 15th Street Suite 2200 Denver CO 80202 |
| Telephone | (303) 382-6214 |
| Attorney Name | Firm Name | Address | Admission Date |
|---|---|---|---|
| Ian Richard Rainey | Haynes Boone LLP | 1050 17th Street #1800, Denver, CO 80265 | 2012-10-29 |
| Ashley Dawn Schneider | Haynes Boone LLP | 2801 N. Harwood St., #2300, Dallas, TX 75201 | 2026-03-12 |
| Kelli Benham Bills | Haynes Boone LLP | 1050 17th Street Suite 1800, Denver, CO 80265 | 2015-12-22 |
| Street Address |
675 15th Street Suite 2200 |
| City | Denver |
| State | CO |
| Zip Code | 80202 |
| Attorney Name | Firm Name | Address | Admission Date |
|---|---|---|---|
| Shannon Nicole Calhoun | Sherman Howard L.L.C. | 675 15th Street, Suite 2300, Denver, CO 80202 | 2022-10-31 |
| Marcus Aaron Collins | Snell & Wilmer | 675 15th Street, Suite 2500, Denver, CO 80202 | 2024-10-21 |
| Nicole Renee Nucaro | Brownstein | 675 15th Street, Suite 2900, Denver, CO 80202 | 2023-10-30 |
| Adam Ricardo Rivera | Sherman & Howard | 675 15th Street, Suite 2300, Denver, CO 80202 | 2023-10-30 |
| Emily Kathleen Sexton | Michael Best | 675 15th Street, Suite 2000, Denver, CO 80202 | 2024-10-21 |
| Spencer Pedemonte | Sherman & Howard LLC | 675 15th Street, Suite 2300, Denver, CO 80202 | 2023-10-30 |
| James Shinpei Fukazawa | Sherman Howard LLC | 675 15th Street, Suite 2300, Denver, CO 80202 | 2022-10-31 |
| Tiffany Marie Cooke | Haynes and Boone LLP | 675 15th Street, Suite 2200, Denver, CO 80202 | 2025-01-30 |
| John Sutherland Gray | Sherman and Howard | 675 15th Street, Suite 2300, Denver, CO 80202 | 2023-10-30 |
| Jason Thomas Mattie | Sherman Howard | 675 15th Street, Suite 2300, Denver, CO 80202 | 2022-10-31 |
| Find all attorneys in the same location | |||
| Attorney Name | Firm Name | Address | Admission Date |
|---|---|---|---|
| Ameya Krishna Gehi | Earthjustice | 1125 17th Street, Suite 1010, Denver, CO 80202 | 2026-05-14 |
| Corey Benjamin Hirsch | Crowell & Moring LLP | 1601 Wewatta Street, Suite 815, Denver, CO 80202 | 2026-05-21 |
| Taylor Jordan Vogel | Dentons US LLP | 1900 16th Street, Suite 1350, Denver, CO 80202 | 2026-06-01 |
| Evan Matthew Szilagyi | Hall and Evans LLC | 1001 17th St., Suite 300, Denver, CO 80202 | 2026-06-01 |
| Catherine Anne Charleston | Wheeler Trigg O'Donnell | 370 17th Street, #4500, Denver, CO 80202 | 2026-06-01 |
| Cassidy Taylor Stanton Cox | FBT Gibbons LLP | 1801 California St., Suite 2700, Denver, CO 80202 | 2026-06-04 |
| Zachary Aaron Zalesne | Hoffmann, Parker, Wilson & Carberry | 511 16th street, Suite 610, Denver, CO 80202 | 2026-06-03 |
| Lisa Jane Lindhorst | Wheeler Trigg O'Donnell LLP | 370 17th Street, Denver, CO 80202 | 2026-05-14 |
| Cristofer G. Kelman | Taft Stettinius & Hollister LLP | 675 Fifteenth Street, Suite 2300, Denver, CO 80202 | 2026-06-01 |
| Victoria Rose Kulwicki | Morrison & Foerster LLP | 370 17th Street, 42nd Floor, Denver, CO 80202 | 2026-06-11 |
| Find all attorneys in the same zip code | |||
| Attorney Name | Firm Name | Address | Admission Date |
|---|---|---|---|
| Allison L Hartman | P.O. Box 102648, Denver, CO 80250 | 1991-10-29 | |
| Andrew J Regan | Dept of Labor | 251 East 12th Ave, Denver, CO 80203 | 1985-11-01 |
| Leah Mae Regan-Smith | Brownstein Hyatt Farber Schreck | 410 17th st, Suite 2200, Denver, CO 80202 | 2022-02-24 |
| Michael Scott Regan | Whiting Oil and Gas Corporation | 1700 Lincoln Street Suite 4700, Denver, CO 80203 | 1999-05-24 |
| Raymond R Regan | 40 Sego Lane, Corrales, NM 87048-1442 | 1969-04-23 | |
| Allison A Gerkman | IAALS - Institute for the Advancement of the American Legal System | John Moye Hall, 2060 South Gaylord Way, Denver, CO 80208 | 2003-10-20 |
| Regan Michael Urquhart | 18th Judicial District - District Attorney | 4000 Justice Way, Castle Rock, CO 80109 | 2022-07-07 |
| Regan Maureen O'Donnell | Lawrence Custer Grasmick Jones & Donovan LLP | 5245 Ronald Reagan Blvd, Suite 1, Johnstown, CO 80534 | 2026-05-28 |
| Kirsten Regan Parks Woitscheck | 3251 S. Elati St., Englewood, CO 80110 | 2014-09-17 | |
| Stephanie Regan Scott Kesterson | Eden Law | 1011 Charles Street, Federal House First Floor, Fredericksburg, VA 22401 | 2017-12-20 |
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This dataset includes over 50 thousands attorneys registered with the Office of Attorney Regulation Counsel of the Colorado Supreme Court. Every attorney admitted to practice in Colorado must file a registration statement and pay a fee as set by the Colorado Supreme Court. Each attorney is registered with name, business address, contact information, etc.
| Subject | Transparency and Disclosure |
| Jurisdiction | State of Colorado |
| Data Provider | Office of Attorney Regulation Counsel of the Colorado Supreme Court |
| Source | data.colorado.gov |
The Office of Attorney Regulation Counsel's duties involve assisting the Colorado Supreme Court in regulating all phases of the practice of law in Colorado. The Office of Attorney Regulation Counsel administers the bar examination, screens each applicant's character and fitness to practice law in Colorado, and enforces all other attorney admission and annual registration functions. The office educates the general public and the legal profession on the underlying duties and requirements contained in the Colorado Rules of Professional Conduct. The office enforces the Colorado rules regarding attorney discipline and disability proceedings and mandatory continuing legal and judicial education. Every attorney admitted to practice in Colorado (including judges, inactive attorneys and those admitted to practice under a limited license or authority) must file a registration statement and pay a fee as set by the Colorado Supreme Court. To be admitted to practice law in Colorado, the requirements and procedures vary depending on whether the applicant is a recent law school graduate, seasoned attorney, took the bar examination in another UBE state, or want to practice in Colorado on a temporary basis. This dataset includes all registered attorneys admitted in Colorado, whether they are resident or non-resident, active or retired, or practicing law in Colorado or anywhere else. The disclosed information for each attorney includes Registration Bar Number, First Name, Middle Name, Last Name, Firm Name, License Status, Admission Date, Private Practice, Professional Liability Insurance, Telephone Number, Fax Number, Street Address, City, State, Zip, and Disciplinary History. The Colorado Information Marketplace (CIM) is the central online home for state open data, giving the public greater access to public data and increasing transparency in government operations. By opening up public data, Colorado is providing fuel for entrepreneurs, researchers, and citizens to build innovative solutions and create insights. |