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.
How to Save at Staples. 1  Check out the top Staples coupons, which often offer discounts of 15% to 20% off. Frequent spend-and-save coupons usually amount to $25 off $75, and you can sometimes even find coupons for a straight $10 off. 2  Visit the Staples Daily Deals page for an ever-changing lineup of discounted items.