JP
John David Portnow
John David Portnow is a lawyer in Rockville, MD who works for Stein Sperling. Practice areas include Business, Taxation, Wills-Trusts-Probate. Court admissions include Massachusetts District Court. Licensed in Texas since 2014. Graduated from Suffolk University in 2011.
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Law school
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JP
John David Portnow
Stein SperlingRockville, MD·11 years licensed
Claim profileContact attorney
John David Portnow is a lawyer in Rockville, MD who works for Stein Sperling. Practice areas include Business, Taxation, Wills-Trusts-Probate. Court admissions include Massachusetts District Court. Licensed in Texas since 2014. Graduated from Suffolk University in 2011.
Law school
Suffolk University
Class of 2011
Bar admission
2014
State Bar of TX · No. 24092982
Office
1101 Wootton Parkway, Ste 700
Rockville, MD 20852
Disciplinary
None on record
Clean since admission
Case data
Case data
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Practice & jurisdiction
Practice areas
- Business
- Taxation
- Wills-Trusts-Probate
Courts admitted
- Massachusetts District Court
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Last refreshed Jun 2026