NOW YOU BRING THE BIG POINT THAT IS THE WHOLE CONSERN IF THERE WERE NO OTHER SIMILAR TECHNOLOGY AT THE FRONT OF DUTV THE PATENT WOULD HAVE BEEN APROOVED BY NOW IF THEY STICK WITH THE SAME CONTENT THERE WILL BE LEGAL OPTION BUT I DOUBT IT IT WILL HAPEN .IN ANY CASE THE REASON WHY THIS SOCK IS IN THE SAME PLACE FOR SUCH A LONG TIME IS ONLY THE PATENT NOTHING ELSE NO PATENT NO COMPANY NO PARTNERSHIP THEY SHOULD FIND A VERY KNOWLDGEABLE PATENT PERSON TO PURSUE THIS CASE IN A VERY DEFFERENT WAY. WHAT MATTERS IS HOW TO WRITE AND PRESENT THE CONTENT