Look up live USPTO records

How to read USPTO prosecution history on a live record

The prosecution history table on https://getcopymark.com/trademark/{serialNumber} lists every indexed USPTO event with date, code, description, and plain-English explanation. Event codes link to CopyMark's prosecution history catalog.

Reviewed by CopyMark Law Group

What prosecution history shows

Prosecution history is the timeline of USPTO actions on an application—filings, Office Actions, responses, publication, allowance, registration, maintenance, and abandonment events. It helps you understand where a mark is in the examination process.

Event code catalog

CopyMark maintains a plain-English catalog of common prosecution history event codes. Start at /guidance/uspto-record or browse individual events linked from each serial page.

Step-by-step

  1. Open the serial record. Go to https://getcopymark.com/trademark/{serialNumber} for the application or registration.
  2. Scroll to prosecution history. Find the prosecution history table listing chronological USPTO events.
  3. Read each event row. Each row shows the event date, USPTO event code, official event description, and CopyMark's plain-English summary.
  4. Click event codes for detail. Event codes link to guides at /guidance/trademark-prosecution-history explaining what each prosecution event means.

Frequently asked questions

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Related guidance

Read Prosecution history event catalog
Read How to check status and deadlines

See your application's history

Look up your serial number to view the full prosecution timeline.

Questions about your trademark?

Look up your USPTO serial number to see what applies to your application or registration.