If I ever decide to sell Prime Jims, it will be fine, as they are off patent, but I’ll be careful to call them APF-12, because Prime Jim is a trademarked name.
Likely the tradename “Prime-Jim” would not be a valid trademark if it came down to it. Since “APF-12” is just a breeder code and not a name any gardener would use when referring to it, it effectively adopts the name ‘Prime Jim’ as the functional cultivar name. Cultivar names can not be trademarked, so by common use it effectively becomes public domain.
The raspberry cultivars that survive in Fairbanks, at least under my growing conditions, are all markedly acidic, which makes them less pleasant for eating out of hand. Anelma and Heisa are sweet, rich, and mild in comparison, and I’m looking forward to sampling Heija this season (finally found where I planted it, and it’s multiplied a bit so should get a crop).
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Those look nice. I did get Jewel to survive last winter her in Fairbanks; should get some fruit to try.
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Yes, if it has never been marketed under any other name, than the patent name is not so relevent. According to the government, Freon is called “refrigerant gas” and Velcro is called a “hook & pile fastener”. Once the trademark name replaces the patent name in common speech, it does not survive the expiration of the patent. There are numerous examples. They may think they are being clever by using a trademark name in place of the patented name, but Uncle Sam has been on to that scam for many decades.
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I consider this a purple. It will darken if left longer. Bow cane like a black. Taste like a red. soft berry. Likely Brandywine x Jewel as that is what I had growing.
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Could also be a selfed seedling from just one of those potential parents (in which case ‘Brandywine’ is the only one that would make sense.