The most common and most likely answer to this crossword clue is the 9 letter word OWNERSHIP
I've seen this crossword clue in Financial Times
O
W
N
E
R
S
H
I
P
More clues leading to the result OWNERSHIP
- Possession of drugs? Not primarily cool
- Ones who admit having joint possession
- Cunning hero wins Portugal title
- Possession of barbiturates eschewed by daughter with joint
- How sniper shot into property
- After struggle, hoper wins possession
- Title obtained when pro is beaten
- Title that hurts shrine rebuilt by priest
- Title of private vessel the Queen goes aboard
- I simply have to have it
Buddy explains!

The straight part
We know that "property" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case property = ownership.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OWNERSHIP mean?
OWNERSHIP noun- The state of having complete legal control of something; possession; proprietorship.
- Responsibility for something.