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Registered patent attorney
Joseph E. Van Tassel
Firm
Cooley LLP
Address
One Freedom Square, Reston Town Center
11951 Freedom Drive
Reston, VA, 20190-5656
US
Phone
Registered as
Registered patent attorney
Other attorneys at Cooley LLP
- Kehinde A. AjayiUSPTO Reg. 73713 · Boston, MA
- Marzieh AliaghaeiUSPTO Reg. 83909 · Boston, MA
- Celeste M. AlvarezUSPTO Reg. 79296 · San Diego, CA
- Lisa A AmiiUSPTO Reg. 48199 · Palo Alto, CA
- Joseph W AricoUSPTO Reg. 70595 · Boston, MA
- Orion ArmonUSPTO Reg. 65421 · Denver, CO
- Elizabeth M. BaezUSPTO Reg. 78292 · Washington, DC
- Serge R BaniniUSPTO Reg. 74460 · Boston, MA
Other patent attorneys in Reston, Virginia
- Mary E. AdamsMatney Legal Group PLLC
- Pouyan AhmadiUSPTO Reg. 82897
- Byeong C AhnKed & Associates, LLP
- Ngozi D. AkingbesoteFinnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Ralph P AlbrechtReston Law Group, LLP
- Brian C AltmillerPosz Law Group, PLC
- Scott B. AmankwatiaThe Marbury Law Group PLLC
- John H AmbroseHarness Dickey & Pierce, P.L.C.
Frequently asked
Frequently asked about Joseph E. Van Tassel
Is Joseph E. Van Tassel a registered patent attorney?
Yes. Joseph E. Van Tassel is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 74136). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Joseph E. Van Tassel located?
Joseph E. Van Tassel's office is in Reston, Virginia (20190-5656). Affiliated with Cooley LLP.
What firm does Joseph E. Van Tassel work at?
Joseph E. Van Tassel is listed as affiliated with Cooley LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Joseph E. Van Tassel?
Joseph E. Van Tassel's office phone (per the USPTO public roster) is 703-456-8647. 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.