FWIW, as someone who works at the USPTO, having a patent on something does not mean it is ever actually produced. I can’t speak for the specifics of the Act-Bliz patents, but some companies (IBM comes to mind, as well as several of the big Japanese tech companies) patent things purely to have a large patent database which they then sell access to. E.g. if they can get X dollars for having a patent database of 10K patents, they can get XXXX dollars if they have 100,000K patents. Keeps us with work, I guess :).
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