Registered patent attorney
Donald N Halgren
Address
35 Central Street
Manchester, MA, 01944
US
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about Donald N Halgren
Is Donald N Halgren a registered patent attorney?
Yes. Donald N Halgren is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 27056). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Donald N Halgren located?
Donald N Halgren's office is in Manchester, Massachusetts (01944).
How do I contact Donald N Halgren?
Donald N Halgren's office phone (per the USPTO public roster) is 978-526-8000. 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.