Registered patent attorney
Alan L Cassel
Address
621 Pebble Lane
Saint Peters, MO, 63376
US
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about Alan L Cassel
Is Alan L Cassel a registered patent attorney?
Yes. Alan L Cassel is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35842). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Alan L Cassel located?
Alan L Cassel's office is in Saint Peters, Missouri (63376).
How do I contact Alan L Cassel?
Alan L Cassel's office phone (per the USPTO public roster) is 636-898-6850. 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.