The U.S. laws are quite controversial when it comes to cannabis. For example, the U.S. government continues to treat marijuana as a Schedule I substance, suggesting, among other things, that there is no medical use for the plant. But patients in over than a half of states participate in local medical marijuana programs and use the plant as an alternative medicine.
Most financial institutions refuse to work with cannabis businesses even in the states where marijuana was fully legalized because weed is still prohibited on the federal level. It creates additional obstacles for the cannabis industry and makes it way harder to develop a comfortable partnership between the state, the businesses, and the customers.
At the same time, one of the governmental bodies, the Patent and Trademark Office, constantly grants intellectual property rights to companies that are somehow involved with cannabis. Some companies get patents for marijuana-related technologies and products. For example, there is a Florida-based company
Other companies and startups receive patents for the new cannabis strains they have developed. Moreover, these patents are granted even to marijuana strains with a high level of THC content, like with the patent
Considering all these little changes and improvements, it looks like the final step towards lifting the federal ban on marijuana is just a matter of time.