I've got to write about pattern v. process ethics for my last assignment before exams. It's an interesting way to divide up perspectives on ethics. Pattern ethics deal with things like distribution, social justice, fairness, etc. Most famously, proponents of pattern ethics endorse redistributive taxes. Process ethics deal with things like distribution too, but only by accident - it's more originated in an approach to justice that emphasizes the primacy of liberty. It sounded like a more interesting topic before it cycled back to a 'free-market v. planned economy', or 'individual ownership v. social ownership' skirmish.
Once that becomes evident, you gotta just toe the political line that your prof draws, if you want a good grade. sigh.