attack and defend
(i) unrepresented,It would be even better if they could check this data against appeals, to see whether, and if so how often, clients retain their original representative at a higher level or change to a bigger/smaller firm, etc.
(ii) self-represented via an in-house IP department,
(iii) represented by a sole/small practice or
(iv) represented by a big firm.
Is anyone interested in coordinating or participating in such research? If so, do let me know.