Copyright lawyers advise and assist their clients in protecting their creations with the registration of copyrights, and advise authors, artists, composers, filmmakers, and playwrights with respect to the legal rights attached to their creations. They also negotiate contracts to protect their clients' rights and represent their clients in lawsuits to enforce those rights.

Trademark lawyers help clients to apply for trademarks, and manage, protect and enforce their clients’ intellectual property rights with respect to their trademarks. They also help in negotiating disputes regarding their client’s rights and in enforcing their clients’ rights with respect to trademark infringement.