Registered patent agent
Yanda Lei
Firm
Factorial Inc.
Address
805 Middlesex Turnpike
Billerica, MA, 01821
US
Phone
Registered as
Registered patent agent
Other patent attorneys in Billerica, Massachusetts
- Zhen BaoE Ink Corporation
- Maria Teresa BautistaCabot Corporation
- Brian D BeanE Ink Corporation
- Gerald M BluhmHoustonHogle LLP
- David John ColeIntellectual Property Department
- Ioannis C ConstantinidesE Ink Corporation
- Jason M DiMedioHoustonHogle LLP
- Richard P DuffleyUSPTO Reg. 52837
Frequently asked
Frequently asked about Yanda Lei
Is Yanda Lei a registered patent attorney?
Yanda Lei is a registered patent agent (USPTO Registration Number 74166). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Yanda Lei located?
Yanda Lei's office is in Billerica, Massachusetts (01821). Affiliated with Factorial Inc..
What firm does Yanda Lei work at?
Yanda Lei is listed as affiliated with Factorial Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yanda Lei?
Yanda Lei's office phone (per the USPTO public roster) is 617-315-9733. 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.