Patent ID: 8557488

Claim:
An electrophotographic photosensitive member, comprising: a support, a photosensitive layer formed on the support, wherein the electrophotographic photosensitive member comprises a surface layer comprising a polymer obtainable by the polymerization of a compound with one or more chain-polymerizable functional groups, wherein the compound with one or more chain-polymerizable functional groups is a compound represented by the following formula (1); and wherein, in the formula (1), Ar 1 to Ar 3 each independently represents an unsubstituted or substituted phenylene group, M 1 to M 3 each independently represents a group represented by the above formula (2M), a group represented by the above formula (3M), or a group represented by the above formula (4M), at least one of the M 1 to M 3 is the group represented by the formula (3M), and a substituent group of the substituted phenylene group is each independently an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom.