Physical property rights can and do expire. If you throw something away, you don...

		rmc on Oct 25, 2013 \| parent \| context \| favorite \| on: 15 years ago, Congress kept Mickey Mouse copyright... Physical property rights can and do expire. If you throw something away, you don't own it anymore. If someone squats in your property for many years they get more rights. Physical goods often have a natural degradation with time, unlike copyright. I wish copyright was as weak as physical property rights.

I think 'rayiner already accounted for adverse possession upthread.