You're right; DeepMind has applied for patents covering this work, but the patents have not yet been granted. I meant to write "covered work" but after some ed

You're right; DeepMind has applied for patents covering this work, but the patents have not yet been granted. I meant to write "covered work" but after some editing ended up with "patented work" instead, which is inaccurate. Thank you for pointing it out.