Registered patent attorney

Ling Du

USPTO Reg. 77384

Firm

Corteva Agriscience

Address

9330 Zionsville Rd.

Indianapolis, IN, 46268

US

Phone

Registered as

Registered patent attorney

Other attorneys at Corteva Agriscience

Other patent attorneys in Indianapolis, Indiana

Browse all Indianapolis patent attorneys →

Frequently asked

Frequently asked about Ling Du

  • Is Ling Du a registered patent attorney?

    Yes. Ling Du is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 77384). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Ling Du located?

    Ling Du's office is in Indianapolis, Indiana (46268). Affiliated with Corteva Agriscience.

  • What firm does Ling Du work at?

    Ling Du is listed as affiliated with Corteva Agriscience on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Ling Du?

    Ling Du's office phone (per the USPTO public roster) is 317-337-3870. 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.

build 4315ed5 · 2026-05-22 15:55 EDT