'cap the potential' is correct and can be used in written English.
You can use it to refer to limiting or restricting potential growth or success. For example, "The government's policies cap the potential of small businesses."
Mr. Ackman recently moved to cap the potential losses in his bet against the company.
A number of law firms are now launching fixed-fee deals for applicants who need legal advice but want to cap the potential cost.
But his plea agreement is believed to cap the potential time at eight years, on top of the eight he has been in custody.
But he pleaded guilty to the lesser charges in what is known as a "naked plea" — one made without the usual agreement with prosecutors to cap the potential sentence in return.
Although the move caps the potential upside, it also limits the risk.
The general federal conspiracy statute caps the potential prison sentence at five years.
That effectively capped the potential return to investors at a bond-like level, giving them little stake in whatever growth the company managed.
Looking ahead, as the movement towards streamlined sales continues, our biggest challenge is educating people that the lack of a unified software solution to this problem is capping the potential of software business across the globe.
This has caused a boost for the anemic US economy, while capping the potential of the revived yet higher-cost US oil industry.
The aim of this two year prospective study was to document the rate of nasopharyngeal carriage of pneumococci in Swiss children suffering from CAP, compared to healthy children and to assess serotype distributions in CAP and the potential impact of PCV13.
The Hepi report says removing the numbers cap has the potential to transform higher education, improve social mobility and raise economic performance.
