1 To stay in force for the entire 20 year term, utility patent owners must pay three maintenance fees. 2  If one of those fees is not paid then the patent will be seen as expired and no longer enforceable. 3  Most patentees do not pay all three fees-thus most patents expire before completion of the 20 year term.
1 Color copies are going to cost more than black and white. 2  Color can run $0.29 to $0.60 on average, while black and white can be as cheap as $0.10. 3  Staplesâ Copy and Print Center offers a few different selections from which the customer can choose.4  Their basic black and white copies run $0.10.he cost of this service is determined by many different things, the most important being the number of pages that need to be copied. 1  Depending on the number of papers that you need to have copied and the time of the season, the cost to have copies done can vary anywhere from $0.10 to $0.70 per page.
Mid-range models will cost anywhere from $2,000 to $8,000 and usually have digital technology. The super fast high-end machines can go up to $50,000 or more. 1  The Lexmark X864DHE 4 Mono Laser Printer/Scanner/Copier/Fax is $11,000 new.