Abandonment stops clock. Interruption by true owner stops clock. Tacking between adverse possessors allowed if there is privity. Entry occurred prior to transfer. Hence, disability provision doesn't apply.
Common law allows imitation and copying.
No deception was intended. No interest is good unless it must vest, if at all, not later than 21 years after some life in being at the creation of the interest. RAP applies to CRs, CEIs, and VRs subject to open. Rule of convenience. If any poss. of remote vesting, int. void from outset.