Though cannabis is legal for recreational or medicinal use in 28 states, it remains illegal under federal law. As a result, the U.S. Patent and Trademark Office will not register trademarks for marijuana retailers or for products that contain cannabis.

Hi is a cannabis brand. Its logo — “hi” in white letters inside an orange circle — can be found above the front door of a Portland, Ore., marijuana shop and on a handful of cannabis products, including massage oil and Hi Releaf pain-relief balm.

But you wouldn’t guess any of that from Hi’s trademark filings.

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James Rufus Koren ~ LATimes.com ~