paten4dPATEN4D selamat datang di website dinas pemerintahan kabupaten penajam paser utara yang setiap hari memberikan maklumat pelayanan terbaik hari ini.Before applying for a patent, check it is the rht type of protection for your intellectual property. A patent lasts 5 years. If you want it to stay in force after that, you must renew it every