Sorry for a rant as my first post; I was having a bad hair day (which is a trick for someone with no hair).
And thanks for the replies - much better than other forums where all you hear are crickets. (Oh no - Buddy Holly's estate is gonna sue me!!
TL;DR: you most certainly legally entitled to name your Rigs using other people's brand names.
The rights given by a trademark, copyright, or patent are very narrow. That seems to be what is misunderstood here. You can take a picture of a Marshall, say, and put it on the internet as a picture of a Marshall. That is "fair use." You cannot make a music product and brand it a Marshall. That's the difference. Taking the analogy further, you could even *sell* pictures of your Marshall, brazenly calling them "Pictures of a Marshall amp" and that is perfectly legit and legal, too. If this were not the case, everyone posting their pictures of Disneyland would have to label them "Mouseland" or some such.
Kemper profiles are the equivalent of snapshots of real amps, and are thus not infringing. And giving them away further cements the "fair use" argument. Any corporate lawyer that tried to intimidate with a C&D knows this too, so in the unlikely event that it happens, you can tell them to pound sand.
What's more, Line6 fully details their modeled amps in their manuals, complete with pictures and names. Stating
Line 6, POD, M13 Stompbox Modeler, M9 Stompbox Modeler and M5 Stompbox Modeler are trademarks of Line 6, Inc.All other product names, trademarks, and artists’ names are the property of their respective owners, which are in no wayassociated or affiliated with Line 6. Product names, images, and artists’ names are used solely to identify the productswhose tones and sounds were studied during Line 6’s sound model development for this product. The use of theseproducts, trademarks, images, and artists’ names does not imply any cooperation or endorsement.
is sufficient protection, as it were. (http://line6.com/data/6/0a06434…Rev%20E%20).pdf)
The law is designed, and quite reasonably so, to protect trademark owners from rip-off copies, and similarly protect consumers from being duped by those rip-off copies, who try very hard to look genuine.
Bottom line: Line6 has set a very clear precedent that this very use of other people's brands is A-OK, given the disclaimer - and they're selling a product. (Not a great product, which is why we're here, but still.)
So that's Trademark Law 101. Interestingly, Copyright law protects you, the modeler: you own the copyright to your creative work. No, you don't need to file for a copyright; it's automatic. (In the USA, anyway; I'm not as familiar elsewhere.) So, while the law protects you from being sued for naming your Rig, "Vox AC30TB" or some such, it also protects you from someone else taking your Rig and, say, selling it elsewhere, without your permission. Unfortunately, that protection is very narrow: if I modify your Rig sufficiently (cue the lawyers to argue what "sufficiently" means in this context), then it is a derivative work. In this case, honestly, it'd be easier to just go sample a different AC30
Whew - OK, now that that's off my chest, time to go make music. Maybe a little Lead Zeppelin on my Less Paul?
But seriously, I just got this Kemper and am blown away. What the hell took me so long? For the record, I still have my Vox and Marshall all-valve amps, but for recording, no way, the Kemper wins - sounds and feels awesome, with reproducibility. Of course I had tried all the Line6 crap, which, one has to admit, has its place: think of all the kids in Guitar Center that just want to plug in and sound like they're playing electric guitar, without tweaking everything just-so. Someday, they'll become more discerning.