Local
1-571-272-8800, 1-571-272-5555 and 1-855-559-8589
Fax
1-571-273-8800
The Office of Stakeholder Outreach and Patents Ombudsman (OSOPO) implements external partnering and engagement to inventors, patent applicants, and attorneys throughout the application process.
OSOPO guides and addresses common issues that applicants encounter throughout application process including initial filing, patent examination, and post examination.
For assistance, please fill in our contact form.