US Plant Patent PP18935
Summer Lion IV
Nectarine tree denominated ‘Summer Lion IV’
UNDER PATENT
Still under patent. Protection ends November 10, 2026.
Twenty years from the filing date would end on November 3, 2026. This patent earned 7 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18935
- Filed
- November 3, 2006
- Granted
- June 17, 2008
- Expires
- November 10, 2026
- Assignee
- SERIMIAN DONALD M, SERIMIAN LIONEL M
- Inventor
- SERIMIAN DONALD M; SERIMIAN LIONEL M
Abstract
A new and distinct variety of nectarine tree which is somewhat similar to the ‘Summer Lion II’ nectarine tree but from which it is distinguished by producing fruit which are mature for harvesting and shipment approximately seven (7) days after ‘Summer Lion II’ fruit in the San Joaquin Valley of central California and wherein the fruit is of high quality and good flavor with dark red coloration over most of the fruit surface.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of nectarine tree substantially as illustrated and described which is somewhat remotely similar to the ‘Summer Lion II’ nectarine tree (U.S. Plant Pat. No. 6,544), but from which it is distinguished by producing fruit which are mature for commercial harvesting and shipment approximately July 15 th through July 30 th , or about seven days after the ‘Summer Lion II’ nectarine tree (U.S. Plant Pat. No. 6,544), in the San Joaquin Valley of central California and which has a distinct red coloration over its skin surface.
Read the full patent: US Plant Patent PP18935 in full — the complete specification, every figure, and the file history.