To wrap up this tutorial series on intellectual property, I will need to spend a few installments talking about patents. In short, patents are to inventions what copyright is to creative media. Nevertheless, patent has its own hornet's nest of issues, and ethical concerns, to discuss. This installment will cover the basics, providing a general look at patent law. The following installments will detail some of the thornier problems with biological patents, pharmaceutical patents, software patents, design patents, and business method patents. Like copyright, a patent is a limited monopoly granted to an inventor for the purposes of controlling and securing a living from her intellectual labor. The invention must be something new, non-obvious, and useful, and the monopoly lasts twenty years. The holder of the patent can control the duplication, distribution, or implementation of the invention, so she can sell licenses to firms, granting access to the invention in exchange for som...