Registered patent attorney
Mark J. Masterson
Firm
McDonald Hopkins LLC
Address
600 Superior Avenue
East, Suite 2100
Cleveland, OH, 44114
US
Phone
Registered as
Registered patent attorney
Other attorneys at McDonald Hopkins LLC
- Robert C BaraonaUSPTO Reg. 45426 · Cleveland, OH
- Todd A BenniUSPTO Reg. 42313 · Cleveland, OH
- Matthew J CavanaghUSPTO Reg. 65109 · Cleveland, OH
- Erin R ConwayUSPTO Reg. 67081 · Chicago, IL
- Aaron A FishmanUSPTO Reg. 44682 · Cleveland, OH
- Mark C. GuintoUSPTO Reg. 73148 · Cleveland, OH
- Charles Andrew HayesUSPTO Reg. 60333 · Cleveland, OH
- Andrew W JenkinsUSPTO Reg. 70836 · Cleveland, OH
Other patent attorneys in Cleveland, Ohio
- Thomas W AdamsRenner Otto Boisselle & Sklar LLP
- Andrew W. AlexanderCalfee, Halter & Griswold LLP
- Himanshu S AminUSPTO Reg. 40894
- Paige Christopher AndersonAnderson Law Offices
- Curran William AroraCase Western Reserve University School of Law
- Brian M AsquithUSPTO Reg. 66129
- Steven M AuvilSquire Sanders (US) LLP
- Brian W AyersTucker Ellis LLP
Frequently asked
Frequently asked about Mark J. Masterson
Is Mark J. Masterson a registered patent attorney?
Yes. Mark J. Masterson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 71886). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Mark J. Masterson located?
Mark J. Masterson's office is in Cleveland, Ohio (44114). Affiliated with McDonald Hopkins LLC.
What firm does Mark J. Masterson work at?
Mark J. Masterson is listed as affiliated with McDonald Hopkins LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Mark J. Masterson?
Mark J. Masterson's office phone (per the USPTO public roster) is 216-348-5427. 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.