The phrase "a pattern of harassment" is correct and usable in written English.
It can be used to describe a repeated or systematic behavior that constitutes harassment over time.
Example: "The employee reported a pattern of harassment from their supervisor, which included unwanted comments and intimidation."
Alternatives: "a series of harassing behaviors" or "a trend of harassment".
In the time since Aaron Swartz's suicide, we have seen a pattern of harassment and personal threats.
Tenant advocates say they have begun to see a pattern of harassment of low-income tenants in rent-controlled apartments owned by private investment companies.
Mr. Ferguson's family is similarly demanding a thorough investigation of his death and what they have described as a "pattern of harassment" against him by the police department.
She said his arrest is the latest instance of a pattern of harassment by law enforcement, and a series of false charges.
An American diplomat said last year that about 100 visas had been held up in what appeared to be a pattern of harassment by Pakistani authorities.
While declining to comment on the charges against Mr. Duvanov, a State Department spokesman said today that his arrest and imprisonment follows "what appears to be a pattern of harassment of Kazakhstan's independent media" by President Nursultan Nazarbayev.
The BBC shut its office in Tashkent, the capital, citing security concerns and a pattern of state harassment and intimidation.
A leaked report by the UN's internal oversight office accused him of a "pattern of sexual harassment" following claims of "inappropriate" behaviour.
Yesterday, the Center for Constitutional Rights said it had sued the department in federal court, and called the arrests "part of a pattern of N.Y.P.D. harassment".
While Mr. Hanna literally broadcast his feud with the media, he all but disappeared after the four current and former employees announced that they intended to file a suit charging a pattern of sexual harassment.
The woman, who told the police shortly after the party in December 2001 that she had been raped, contends in the suit that the university allowed a pattern of sexual harassment to develop on campus.
