I wasn't quite sure which topic to discuss this. Excuse me while I info dump here.
So you may or may not be aware of the strange happenings between HENSHIN and the Klonoa film. Namely, how we're pretty certain(?) it's still happening but HENSHIN deletes their tweets without rhyme or reason (that we're aware of anyways). Anyways, you can read up on all that in this topic:
https://forum.klonoa.network/?topic=1810.120What's with HENSHIN's shakiness getting off the ground? Me, being the junior detective, thought that maybe some clues could be found in trademark filings for both the Klonoa and HENSHIN names.
https://trademarks.justia.com/875/64/henshin-87564591.htmlHENSHIN's current status on this site states "654 - Report Completed Suspension Check - Case Still Suspended" as of June 6th, 2018. I really don't know anything about legal/trademark lingo but looking it up gave me this description:
Spoiler
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This may not be up to date but it might explain a little bit about their silence. Although, it should be noted they made a tweet AFTER this fact on July 25th, 2018 saying "Lots of updates on our projects coming in Q4. Hang tight!" only for the tweet to be deleted sometime in September.
https://trademarks.justia.com/864/62/henshin-86462723.htmlThere's also an older entry which I believe fell out of use because they switched office locations or something. I only figure this to be the case based on their (now deleted) facebook having a status saying they changed their address and one of the entries says "TEAS CHANGE OF OWNER ADDRESS RECEIVED". This one was last active in 2015 so this might not be relevant to anything Klonoa.
Again, I really can't say if this has any bearing on anything HENSHIN is supposedly doing or not. They've been around since 2014 but the only thing they've done in their name so far is be a sponsor for the GLAS Animation Festival (
http://www.glasanimation.com/sponsorship/) which Rob Pereyda (the founder of HENSHIN by the way) attends every year.
https://trademarks.justia.com/752/95/klonoa-75295285.htmlAnyways, that's HENSHIN. What about Klonoa exactly? The Klonoa name has multiple entries. Here's one that might pertain to the Klonoa film:

It was late October 2016 we learned of the Klonoa films existence. The "AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP" might refer to HENSHIN optioning the rights to develop the film with permission from NAMCO BANDAI. There's more on the optioning/development process here:
https://en.wikipedia.org/wiki/Option_(filmmaking)https://trademarks.justia.com/766/38/klonoa-door-to-76638022.htmlThere's a trademark for the "Klonoa: Door to Phantomile" name which was renewed June 23rd, 2016. However, although it's close to the time we learned about the film, it could very well be just a renewal of the trademark because the game currently remains downloadable on the Playstation Store.
The most recent status on this says "ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED" from May 30th, 2018 but I can't figure out what this even means.
https://trademarks.justia.com/776/99/klonoa-77699376.htmlThere is a second instance of the Klonoa name in the database but it's status is currently "606 - Abandoned - No Statement Of Use Filed" as on October 15h, 2012 which is around the time the webcomic was beginning. This one may have pertained to the Wii game as it's trademark was filed March 25th, 2009 close to the time the game came overseas simply titled "Klonoa". So we can probably ignore this one.
https://trademarks.justia.com/766/38/klonoa-door-to-phantomile-76638014.htmlLastly, is another entry for the "Klonoa: Door to Phantomile" name which went abandoned in 2009. I believe this one just pertains to the Wii game or downloadable version as well.
Sadly, maybe no concrete clues came from all this but I thought I'd put my thoughts down somewhere. Hitoshi Ariga and that (still kinda mysterious) @klonoa_anime twitter are honestly the current proof the Klonoa film is happening. I am trying to stay calm/patient but I like to investigate the strange happenings as well... because I can't help but feel concerned. Feel free to contribute or brush up on legal terminology... because I sure can't wrap my head around it all.