Registered patent attorney
D Lawrence Letham
Firm
Letham Law Firm PLLC
Address
101 S. Reid Street
Suite 307
Sioux Falls, SD, 57103
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Sioux Falls, South Dakota
- Roberto C BorjaCrafted IP LLC
- Micah J. CollisonKaufhold & Dix Patent Law
- Brendan B DixKaufhold & Dix Patent Law
- Malissa C. EngKaufhold & Dix Patent Law
- Ryan Patrick FargenLegacy Law Firm P.C.
- Pradeep JayaramanJay Law Office, Prof. LLC
- Sean A KaufholdUSPTO Reg. 46820
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Frequently asked
Frequently asked about D Lawrence Letham
Is D Lawrence Letham a registered patent attorney?
Yes. D Lawrence Letham is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 53208). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is D Lawrence Letham located?
D Lawrence Letham's office is in Sioux Falls, South Dakota (57103). Affiliated with Letham Law Firm PLLC.
What firm does D Lawrence Letham work at?
D Lawrence Letham is listed as affiliated with Letham Law Firm PLLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact D Lawrence Letham?
D Lawrence Letham's office phone (per the USPTO public roster) is 605-610-3040. 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.