Registered patent agent

Alexander James Stack

USPTO Reg. 65591

Firm

Alexander Stack Professional Corporation

Address

7-B Pleasant Blvd.

Suite 1082

Toronto, ON, M4T 1K2

CA

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Alexander James Stack

  • Is Alexander James Stack a registered patent attorney?

    Alexander James Stack is a registered patent agent (USPTO Registration Number 65591). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Alexander James Stack located?

    Alexander James Stack's office is in Toronto, ON (M4T 1K2). Affiliated with Alexander Stack Professional Corporation.

  • What firm does Alexander James Stack work at?

    Alexander James Stack is listed as affiliated with Alexander Stack Professional Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Alexander James Stack?

    Alexander James Stack's office phone (per the USPTO public roster) is 416-526-7022. 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.

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