Registered patent agent
Oscar K Hsu
Firm
Service Science & Engineering LLC
Address
255 North Road
Unit 15
Chelmsford, MA, 01824
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Chelmsford, Massachusetts
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- Alexandra A ColliasUSPTO Reg. 84384
- Colin B. ColtUSPTO Reg. 72097
- Luke DemoracskiLOCKHEED MARTIN
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- Peter DulchinosPeter Dulchinos Law
- Carol A EgnerUSPTO Reg. 38866
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Frequently asked
Frequently asked about Oscar K Hsu
Is Oscar K Hsu a registered patent attorney?
Oscar K Hsu is a registered patent agent (USPTO Registration Number 56858). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Oscar K Hsu located?
Oscar K Hsu's office is in Chelmsford, Massachusetts (01824). Affiliated with Service Science & Engineering LLC.
What firm does Oscar K Hsu work at?
Oscar K Hsu is listed as affiliated with Service Science & Engineering LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Oscar K Hsu?
Oscar K Hsu's office phone (per the USPTO public roster) is 978-204-7388. 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.