Registered patent attorney
Errol A. Krass
Firm
Ditthavong & Steiner, PC
Address
44 Canal Center Plaza
Suite 322
Alexandria, VA, 22314
US
Phone
Registered as
Registered patent attorney
Other attorneys at Ditthavong & Steiner, PC
Other patent attorneys in Alexandria, Virginia
- Russell E AdamsAdams Communications
- Ibrahim A. M. AdenijiUSPTO Reg. 72325
- Tiffany N. AdigweOliff PLC
- Sahil AggarwalUSPTO Reg. 83821
- Nasir U. AhmedMaier and Maier
- Stanislaus AksmanHershkovitz & Associates, LLC
- Edward B AlexanderEBA Law Offices, PLC
- Ryan E. AlleyAlley IP
Frequently asked
Frequently asked about Errol A. Krass
Is Errol A. Krass a registered patent attorney?
Yes. Errol A. Krass is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 60090). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Errol A. Krass located?
Errol A. Krass's office is in Alexandria, Virginia (22314). Affiliated with Ditthavong & Steiner, PC.
What firm does Errol A. Krass work at?
Errol A. Krass is listed as affiliated with Ditthavong & Steiner, PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Errol A. Krass?
Errol A. Krass's office phone (per the USPTO public roster) is 703-519-9951. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.