This question presumes the hourly billing method and the lawyer's perspective. To avoid broadness, I restrict this question to the UK (but please advise whether I should remove this).
I already know of the following:
- expenses incurred for a client's case (e.g.: fees for court, experts, and other lawyers; travelling)
- reading, preparing, negotiating and working on notes and documents (e.g.: of meetings, of telephone calls and of proceedings)
- composing and receiving correspondence (e.g.: letters, faxes, email, telephone calls)
- attending court or other formal proceedings, including waiting time;