Question

Henry and Mark are neighbors who have been involved in a dispute concerning a piece of land. Henry claims that the land belongs to him based on a title he obtained from the Land Registry. On the other hand, Mark insists that the land has been in his family for generations and that Henry's title is fraudulent. Despite attempts at negotiation, the dispute remains unresolved.

Advise Henry on the appropriate course of action he can take to assert his ownership and resolve the dispute. Discuss the characteristics, requisites, and effects of the specific kind of action that would apply in this situation.

Provide a concise and comprehensive analysis, making sure to cite the relevant provisions of Philippine law.