Actually, it is not required to apply ALL the patches of 4.0 and then upgrade to 4.1 latest. You can directly upgrade to 4.1 latest update and apply patches from there.
However, to apply baseline for 4.0 refer this link
Actually, it is not required to apply ALL the patches of 4.0 and then upgrade to 4.1 latest. You can directly upgrade to 4.1 latest update and apply patches from there.
However, to apply baseline for 4.0 refer this link