Registered patent agent
Dennis R Plank
Address
P.O. Box 414
Littlerock, WA, 98556
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Dennis R Plank
Is Dennis R Plank a registered patent attorney?
Dennis R Plank is a registered patent agent (USPTO Registration Number 37421). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Dennis R Plank located?
Dennis R Plank's office is in Littlerock, Washington (98556).
How do I contact Dennis R Plank?
Dennis R Plank's office phone (per the USPTO public roster) is 360-273-3997. 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.