Registered patent attorney
David S D'Ascenzo
Firm
Kolitch Romano Dascenzo Gates LLC
Address
621 SW Morrison, Suite 1100
Portland, OR, 97205
US
Phone
Registered as
Registered patent attorney
Other attorneys at Kolitch Romano Dascenzo Gates LLC
- Meredith K. BothmanUSPTO Reg. 81361 · Portland, OR
- David C BourgeauUSPTO Reg. 72711 · Portland, OR
- Kimberly N. FisherUSPTO Reg. 71123 · Portland, OR
- Ian D GatesUSPTO Reg. 51722 · Portland, OR
- Amy B. GravelineUSPTO Reg. 62065 · Portland, OR
- Shawn J. KolitchUSPTO Reg. 62233 · Portland, OR
- Erin D. MondlochUSPTO Reg. 78816 · Portland, OR
- Jacob J. PeterfesoUSPTO Reg. 83902 · Portland, OR
Other patent attorneys in Portland, Oregon
- James R AbneyKolisch Hartwell, P.C.
- Adenike Adebola AdebiyiKlarquist Sparkman, LLP
- Mark D AllemanAlleman Hall & Tuttle LLP
- Francisco J AlmeidaKlarquist Sparkman LLP
- Khalid Sami H AlmukhaizeemLewis & Clark Law School
- Abdullah O. AlnajranPortland IP, LLC
- Brian D AltmanBonneville Power Admn
- Douglas G AndersonLeatherman Tool Group, Inc.
Frequently asked
Frequently asked about David S D'Ascenzo
Is David S D'Ascenzo a registered patent attorney?
Yes. David S D'Ascenzo is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 39952). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David S D'Ascenzo located?
David S D'Ascenzo's office is in Portland, Oregon (97205). Affiliated with Kolitch Romano Dascenzo Gates LLC.
What firm does David S D'Ascenzo work at?
David S D'Ascenzo is listed as affiliated with Kolitch Romano Dascenzo Gates LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David S D'Ascenzo?
David S D'Ascenzo's office phone (per the USPTO public roster) is 503-224-7529. 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.