Registered patent attorney

David Hsu

USPTO Reg. 77816

Firm

Rocket Software

Address

77 4th Ave

Waltham, MA, 02451

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Waltham, Massachusetts

Browse all Waltham patent attorneys →

Frequently asked

Frequently asked about David Hsu

  • Is David Hsu a registered patent attorney?

    Yes. David Hsu is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 77816). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David Hsu located?

    David Hsu's office is in Waltham, Massachusetts (02451). Affiliated with Rocket Software.

  • What firm does David Hsu work at?

    David Hsu is listed as affiliated with Rocket Software on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David Hsu?

    David Hsu's office phone (per the USPTO public roster) is 781-577-4323. 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 15:30 EDT