The family patent information is also varied from various databases . The skilled patent search requires in - depth knowledge of an array of software tools , search commands , searching techniques and classification systems . That s why patent searching is an expert 's job . In the recent few years the demand for a professional patent searcher has increased . Main benefits of free - access Web databases are that they provide a low - cost means of doing initial background searches . The problem is that they suffer serious drawbacks for more crucial searches .

Q with options: Give answer the following question using evidence from the above passage: What may be the purpose of the post ?
Select from: * To give information about databases * To give information about animation software * To give information about a new computer * To give information about photo editing
To give information about databases