AttorneyDonald Paul Lan● 55 total views
DL

Donald Paul Lan

Lan Smith Sosolik & Johnston, PLLC·Dallas, TX·43 years licensed

Donald Paul Lan is a lawyer in Dallas, TX who works for Lan Smith Sosolik & Johnston, PLLC. Practice areas include Taxation, Wills-Trusts-Probate. Court admissions include Eighth Circuit Court of Appeals, Fifth Circuit Court of Appeals. Licensed in Texas since 1983. Graduated from Rutgers Law School in 1977.

Claim profileContact attorney
Law school
Class of 1977
Bar admission
1983
State Bar of TX · No. 11855600
Office
14785 Preston Rd Ste 1125
Dallas, TX 75254
Disciplinary
None on record
Clean since admission
DL
Dallas, TX·43 years licensed
Claim profileContact attorney

Donald Paul Lan is a lawyer in Dallas, TX who works for Lan Smith Sosolik & Johnston, PLLC. Practice areas include Taxation, Wills-Trusts-Probate. Court admissions include Eighth Circuit Court of Appeals, Fifth Circuit Court of Appeals. Licensed in Texas since 1983. Graduated from Rutgers Law School in 1977.

Law school
Rutgers Law School
Class of 1977
Bar admission
1983
State Bar of TX · No. 11855600
Office
14785 Preston Rd Ste 1125
Dallas, TX 75254
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.

  1. Lan Smith Sosolik Baxter-Thompson & JohnAS OF MAY 2023
    Private Law Practice · Dallas, TX
  2. Lan Smith Sosolik & Johnston, PLLCAPR 2026 — PRESENT
    Private Law Practice · Dallas, TX
Case data

Case data

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Practice & jurisdiction
Practice areas
  • Taxation
  • Wills-Trusts-Probate
Courts admitted
  • Eighth Circuit Court of Appeals
  • Fifth Circuit Court of Appeals
  • Texas Eastern District Court
  • Texas Northern District Court
  • Texas Western District Court
  • US Court of Appeals for the Federal Circuit
  • US Court of Federal Claims
  • US Tax Court
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Last refreshed Jun 2026