Registered patent attorney
Andrew T Langford
Firm
Sidley Austin LLP
Address
2021 McKinney Ave
Suite 2000
Dallas, TX, 75201
US
Phone
Registered as
Registered patent attorney
Other attorneys at Sidley Austin LLP
- Thomas A BroughanUSPTO Reg. 66001 · Washington, DC
- Callie C. ButcherUSPTO Reg. 71135 · Dallas, TX
- Alexis R CohenUSPTO Reg. 76998 · Washington, DC
- Charles S CotropiaUSPTO Reg. 27189 · Dallas, TX
- Carl P EvansUSPTO Reg. 71453 · Chicago, IL
- Ching-Lee FukudaUSPTO Reg. 44334 · New York, NY
- Jason Phillip GreenhutUSPTO Reg. 71657 · Chicago, IL
- Mary Theresa HannonUSPTO Reg. 77149 · Chicago, IL
Other patent attorneys in Dallas, Texas
- Ebby AbrahamTexas Instruments Incorporated
- Mirna G AbyadTexas Instruments Incorporated
- Mary C. L. Adams-MoeSlater & Matsil, L.L.P.
- Maqsood AhmadYee & Associates, P.C.
- Rayan M. Al-AssaadSlater & Matsil, L.L.P.
- Todd E AlbanesiBooth Albanesi Schroeder, LLC
- Gregory J AlbinTexas Instruments Incorporated
- Sudhakar V AlladaCarstens & Cahoon LLP
Frequently asked
Frequently asked about Andrew T Langford
Is Andrew T Langford a registered patent attorney?
Yes. Andrew T Langford is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 83101). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Andrew T Langford located?
Andrew T Langford's office is in Dallas, Texas (75201). Affiliated with Sidley Austin LLP.
What firm does Andrew T Langford work at?
Andrew T Langford is listed as affiliated with Sidley Austin LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Andrew T Langford?
Andrew T Langford's office phone (per the USPTO public roster) is 214-981-3366. 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.