Skip to main content
About
Contact
Press
People
Opportunities
Issues
Free Speech
Privacy
Creativity and Innovation
Transparency
International
Security
Our Work
Deeplinks Blog
Press Releases
Events
Legal Cases
Whitepapers
Podcast
Annual Reports
Take Action
Action Center
Electronic Frontier Alliance
Volunteer
Tools
Privacy Badger
Surveillance Self-Defense
Certbot
Atlas of Surveillance
Cover Your Tracks
Street Level Surveillance
apkeep
Donate
Donate to EFF
Giving Societies
Shop
Org. Membership
Other Ways to Give
Membership FAQ
Donate
Donate to EFF
Shop
Other Ways to Give
Search form
Search
Email updates on news, actions,
and events in your area.
Join EFF Lists
Electronic Frontier Foundation
Donate
Electronic Frontier Foundation
About
Contact
Press
People
Opportunities
Issues
Free Speech
Privacy
Creativity and Innovation
Transparency
International
Security
Our Work
Deeplinks Blog
Press Releases
Events
Legal Cases
Whitepapers
Podcast
Annual Reports
Take Action
Action Center
Electronic Frontier Alliance
Volunteer
Tools
Privacy Badger
Surveillance Self-Defense
Certbot
Atlas of Surveillance
Cover Your Tracks
Street Level Surveillance
apkeep
Donate
Donate to EFF
Giving Societies
Shop
Org. Membership
Other Ways to Give
Membership FAQ
Donate
Donate to EFF
Shop
Other Ways to Give
Search form
Search
Brief of EFF in Support of Respondent in Return Mail v. USPS
DOCUMENT
Brief of EFF in Support of Respondent in Return Mail v. USPS
https://www.eff.org/files/2019/01/16/eff_amicus_brief_-_return_mail.pdf
eff_amicus_brief_-_return_mail.pdf
Related Issues
Patents
Back to top
JavaScript license information
