Registered patent agent
Changgang Lou
Firm
Takeda Pharmaceuticals International, Co.
Address
40 Landsdowne Street
Cambridge, MI, 02139
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Changgang Lou
Is Changgang Lou a registered patent attorney?
Changgang Lou is a registered patent agent (USPTO Registration Number 70778). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Changgang Lou located?
Changgang Lou's office is in Cambridge, Michigan (02139). Affiliated with Takeda Pharmaceuticals International, Co..
What firm does Changgang Lou work at?
Changgang Lou is listed as affiliated with Takeda Pharmaceuticals International, Co. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Changgang Lou?
Changgang Lou's office phone (per the USPTO public roster) is 617-551-6609. 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.