# Update address or correspondence email

Source: https://joinopenfile.com/trademark/filings/owner-update
Index: https://joinopenfile.com/llms.txt

Make sure the USPTO's letters reach you. Missed letters are how marks get abandoned.

## When it's due

Any time.

## What it is

Free at the USPTO and free here. We prepare the change and show you where to submit it.

## USPTO fee

The USPTO charges nothing for this filing.

## Need this filed?

We can't take this one online yet. Tell us about your mark and we'll get back to you.

[Ask us](https://joinopenfile.com/contact)
