Registered patent agent

Xixi Sun

USPTO Reg. 75736

Firm

Cooley, LLP

Address

500 Boylston Street

Boston, MA, 02116

US

Phone

Registered as

Registered patent agent

Other attorneys at Cooley, LLP

Other patent attorneys in Boston, Massachusetts

Browse all Boston patent attorneys →

Frequently asked

Frequently asked about Xixi Sun

  • Is Xixi Sun a registered patent attorney?

    Xixi Sun is a registered patent agent (USPTO Registration Number 75736). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Xixi Sun located?

    Xixi Sun's office is in Boston, Massachusetts (02116). Affiliated with Cooley, LLP.

  • What firm does Xixi Sun work at?

    Xixi Sun is listed as affiliated with Cooley, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Xixi Sun?

    Xixi Sun's office phone (per the USPTO public roster) is 617-477-2458. 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 19:52 EDT