The collective term for this area of publishing is the trade press. Trade publications keep industry members abreast of new developments. In this role, it functions similarly what is a trade journal how academic journals or scientific journals serve their audiences.
Trade magazines typically contain advertising content centered on the industry in question with little, if any, general-audience advertising. They may also contain industry-specific job notices. For printed publications, some trade magazines operate on a subscription business model known as controlled circulation, in which the subscription is free but is restricted only to subscribers determined to be qualified leads. Magazines, trade journals, and scholarly journals”. You can help Wikipedia by expanding it.
See tips for writing articles about magazines. Further suggestions might be found on the article’s talk page. Search the trade marks journal to find trade mark applications or amendments made in the last week. You can object to a trade mark application for 2 months after it’s published in the journal. The downloadable version of the journal also contains details of changes and restrictions to trade marks made in the last week.