Registered patent agent

David J. Chi

USPTO Reg. 61797

Firm

Monsanto Company

Address

700 Chesterfield Pkwy N, Mail Stop GG3K

Chesterfield, MO, 63017

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about David J. Chi

  • Is David J. Chi a registered patent attorney?

    David J. Chi is a registered patent agent (USPTO Registration Number 61797). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is David J. Chi located?

    David J. Chi's office is in Chesterfield, Missouri (63017). Affiliated with Monsanto Company.

  • What firm does David J. Chi work at?

    David J. Chi is listed as affiliated with Monsanto Company on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David J. Chi?

    David J. Chi's office phone (per the USPTO public roster) is 636-737-6650. 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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