US Plant Patent PP18670
PLUMSWEET VIII
Interspecific tree named ‘PLUMSWEET VIII’
UNDER PATENT
Still under patent. Protection ends December 7, 2026.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP18670
- Filed
- December 7, 2006
- Granted
- March 25, 2008
- Expires
- December 7, 2026
- Assignee
- BRADFORD LOWELL GLEN
- Inventor
- BRADFORD LOWELL GLEN
Abstract
The present invention relates to an interspecific tree and more particularly to a new and distinct variety broadly characterized by a medium size, vigorous, hardy, and fairly productive tree. Being self-unfruitful, the present variety requires cross pollination from an apricot, interspecific, or plum that blooms during the mid season. The fruit matures under the ecological conditions described during early to mid August, with first picking on Aug. 10, 2006. The fruit is uniformly medium to large in size, a green and red two-tone in skin color, clingstone in type, globose to oblate in shape, red in flesh color, very firm in texture, and outstanding in flavor.
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 interspecific Prunus sp. tree, substantially as illustrated and described, that is similar to ‘PLUMSWEETTWO’ (U.S. Plant Pat. No. 14,196) plum by being self-unfruitful and by producing fruit that is globose to somewhat oblate in shape, red in flesh color, and clingstone in type, but is distinguished therefrom by producing fruit that is larger in size, a two-tone red and green in skin color, and that matures about six days later.
Read the full patent: US Plant Patent PP18670 in full — the complete specification, every figure, and the file history.