MT
Mark Ryan Trachtenberg
Mark Ryan Trachtenberg is a lawyer in Houston, TX who works for Haynes and Boone, LLP. Practice areas include Appellate: Civil. Board certifications include Civil Appellate Law. Licensed in Texas since 1998. Graduated from Yale University in 1998.
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Law school
Bar admission
Office
Disciplinary
MT
Mark Ryan Trachtenberg
Haynes and Boone, LLPHouston, TX·27 years licensed
Claim profileContact attorney
Mark Ryan Trachtenberg is a lawyer in Houston, TX who works for Haynes and Boone, LLP. Practice areas include Appellate: Civil. Board certifications include Civil Appellate Law. Licensed in Texas since 1998. Graduated from Yale University in 1998.
Law school
Yale University
Class of 1998
Bar admission
1998
State Bar of TX · #24008169
Office
1221 McKinney St Ste 4000
Houston, TX 77010
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice, courts & credentials
Practice areas1 listed
Appellate: Civil
Courts admitted7 total
Eleventh Circuit Court of Appeals
Fifth Circuit Court of Appeals
Ninth Circuit Court of Appeals
Texas Eastern District Court
Texas Southern District/Bankruptcy Court
Texas Western District Court
US Supreme Court
Credentials1 certified
Civil Appellate Law
Board certified 2009
No public disciplinary history
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Last refreshed Jun 2026