Patent Abbreviated New Drug Application (ANDA)

Federal civil · Intellectual Property · 1,357 cases filed and closed (1988–present).

1,357

Cases filed

83.7%

Ended before a merits judgment

1,136 of 1,357 cases

47.1%

Plaintiff win

of 221 merits judgments

13.6%

Defendant win

of merits judgments

Most cases never reach a ruling on the merits. Of 1,357 filed, 83.7% closed without one — settled, dismissed, transferred, or remanded. The win rates above describe only the 221 that a judge actually decided.

How they closed

Other29%
Dismissed28.4%
Settled25.9%
Plaintiff win7.7%
Decided — other3.9%
Mixed2.5%
Defendant win2.2%
Transferred0.5%

Where you file matters

The same claim resolves differently across districts. Plaintiff-win rate among merits judgments, busiest courts first.

Read the law behind patent abbreviated new drug application (anda)

Source: FJC Integrated Database (public domain), via CourtListener — federal civil cases filed and terminated, 1988–present. Figures are descriptive statistics about how cases of a given type have closed in a given court. They describe the historical record — not a prediction or assessment of any specific case. Not legal advice.