Practice Areas
- Professional Experience
- Professional Memberships and Activities
- Education
- Publications and Seminar Presentations
Mr. Seibert is Of Counsel in the Albuquerque office and practices in the firm’s Business Department. He has had a varied commercial practice in Albuquerque since 1983, primarily involving commercial real estate, real estate finance, real estate leasing, real estate development, business transactions, real estate litigation, and general business and corporate law. Mr. Seibert has represented, among others:
regional real estate developers, project operators and investors, financial institutions, closely-held/family corporations, business buyers, sellers and franchisees, non-profit institutions, individuals, and issuers and users of state government bonds;
with responsibility for due diligence, negotiation, documentation and closing of transactions in New Mexico and surrounding states, including vacant land and project acquisitions, sales and exchanges; construction, permanent and equity financing; joint venture agreements; complex lease negotiation and drafting matters, including ground leases, retail and office leases, and build-to-suit leases; lease administration, interpretation, amendment, enforcement and workouts; condominiums; easements; City-supported affordable housing programs; and development and implementation of protective covenants, as well as litigation involving property access, liens, leases, easements and mortgages, among other matters.
He also has experience providing clients general advice on tort and environmental liability; business start-up, capitalization, structural and governance issues; business acquisitions and sales; business strategy and planning; state and federal tax issues; local government relations; dispute avoidance and resolution; insurance and risk management; ethical issues; and technology development and exploitation (including licenses, R & D agreements, non-disclosure agreements, commercialization agreements, and research subcontract and teaming agreements).
Mr. Seibert is listed in Chambers-USA – America’s Leading Lawyers for Business for his experience and expertise in real estate law.
Mr. Seibert is listed in The Best Lawyers In America for his experience and expertise in real estate law.
Mr. Seibert was named Albuquerque Real Estate Law Lawyer of the Year-2022 and 2019 by Best Lawyers in America.
Mr. Seibert has achieved the highest (“AV”) Martindale-Hubbell rating.
- American Bar Association
- State Bar of New Mexico (Board of Directors, Business Law Section; 2006 Chair, Board of Directors, Real Property, Probate and Trust Law Section; Member, Opinion Letters Task Force)
- Recipient (with Opinion Letters Task Force) of State Bar’s Outstanding Contribution Award, 1999
- University of Texas, J.D., 1983
- Dartmouth College, A.B., 1979
Co-Author “State-By-State Guide to Commercial Real Estate Leases (5th Edition)” to be published by Wolters Kluwer 2014
Co-Editor (with Opinion Letters Task Force),”Lawyers’ Opinion Letters in Mortgage Loan Transactions, New Mexico, 2003.”
CLE Presentations:
“Opinion Letters in Commercial Transactions,” 1992, 1998
“Commercial Real Estate Leases,” 2002
“Real Estate Purchase andSaleTransactions: Due Diligence” 2004
“Homeowners’ Associations: Basic Documentation” 2005



