So all of technology including manufacturing has gotten quicker, faster, overall better, but the patent system hasn't changed. Also the entire cycle of a compan

So all of technology including manufacturing has gotten quicker, faster, overall better, but the patent system hasn't changed. Also the entire cycle of a company is speeding up. An easy example the time companies that are listed on the s&p 500 are getting shorter. Instead of getting rid of patents can we just shorten the time that they are valid. Say 5 years.