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Morgan Grissum Mayne
Morgan Grissum Mayne is a lawyer in Dallas, TX who works for Winston & Strawn. Practice areas include Intellectual Property. Licensed in Texas since 2013. Graduated from Southern Methodist University in 2013.
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Law school
Bar admission
Office
Disciplinary
MM
Morgan Grissum Mayne
Winston & StrawnDallas, TX·12 years licensed
Claim profileContact attorney
Morgan Grissum Mayne is a lawyer in Dallas, TX who works for Winston & Strawn. Practice areas include Intellectual Property. Licensed in Texas since 2013. Graduated from Southern Methodist University in 2013.
Law school
Southern Methodist University
Class of 2013
Bar admission
2013
State Bar of TX · No. 24084387
Office
2121 N Pearl St Ste 900
Dallas, TX 75201
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Baker Botts LLP.MAY 2023 — APR 2026Private Law Practice · Dallas, TX
- Winston & StrawnAS OF JUN 2026Private Law Practice · Dallas, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Intellectual Property
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Last refreshed Jun 2026