Questel serves people who work with patents and trademarks. Its search tools let users query large databases of patents from many countries, apply classifications, and find prior art for patentability and infringement questions. Analytics show landscapes of who is filing in a field and trends over time.
The company also offers portfolio management, with docketing, renewals, and workflow tools for tracking deadlines across jurisdictions, along with services for filing and annuity payments. AI features assist with semantic search, summarization, and drafting, helping professionals review large numbers of documents faster. Its products come from combining several IP software companies.
Questel is sold to corporations and law firms through enterprise subscriptions. Search and analysis results need expert judgment, because missing a document can matter in legal contexts. Alternatives include Clarivate, PatSnap, LexisNexis PatentSight, Anaqua, and Google Patents for free basic searches. Questel suits IP professionals who manage large patent portfolios.