Looking on the internet deeply has found these results:

possess the knowledge is the most popular phrase on the web.

own the knowledge 1336,000 results on the web	possess the knowledge 1423,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Member States may decide that investment firms can verify whether the tied agents which they have appointed are of sufficiently good repute and possess the knowledge as referred to in the third subparagraph. Member States may decide that investment firms can verify whether the tied agents which they have appointed are of sufficiently good repute and possess the knowledge as referred to in the third subparagraph. Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle. You are quite a simple organism to possess the knowledge you do. Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle. Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle. The tests introduced to this effect must consist of:

own the knowledge

1336,000 results on the web

possess the knowledge

1423,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Member States may decide that investment firms can verify whether the tied agents which they have appointed are of sufficiently good repute and possess the knowledge as referred to in the third subparagraph.
Member States may decide that investment firms can verify whether the tied agents which they have appointed are of sufficiently good repute and possess the knowledge as referred to in the third subparagraph.
Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle.
You are quite a simple organism to possess the knowledge you do.
Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle.
Member States shall take the necessary measures to ensure that applicants for driving licences possess the knowledge and skills and exhibit the behaviour required for driving a motor vehicle. The tests introduced to this effect must consist of: