Non prosequitur explained

Non prosequitur (also known as non pros.) is a legal judgment "against the plaintiff for a neglect to take any of those steps which it is incumbent on him to take in due time."^[1] A non pros judgment is a final judgment, which is only re-opened with cause shown.^[2]

Notes and References

1. Book: Black, Henry Campbell . A Law Dictionary Containing Definitions of the Terms and Phrases of American and English Jurisprudence, Ancient and Modern: . 1910 . West Publishing Company . en.
2. The American and English Encyclopædia of Law: Must to Oath (1892), p. 717 (accessible on Google Books)