Jeremy Dear, general secretary of the National Union of Journalists (NUJ), instigated a meeting on Tuesday with Vernon Coaker, the minister of state for security, counter-terrorism and policing.
Journalists are concerned at the way police use of counter-terrorism measures is curtailing press freedom.
The case of Shiv Malik highlights the problem. The Manchester-based journalist was writing a book about terrorism.
The police used these laws to try and seize his research material, which could have compromised his sources.
A judicial review overturned the order, which would have set a dangerous precedent.