@JsonInclude(Include.NON_NULL)
public class ProviderUpdateDto {

    private String name;

    private String lastname;

    private String profession;
}

@RequestMapping(value = "/providers", method = RequestMethod.PATCH, headers = "Accept=application/json")
@ResponseBody
@Transactional
public ResponseEntity<String> updateProvider(@RequestBody ProviderUpdateDto providerUpdateDto,
        UriComponentsBuilder uriComponentsBuilder, final HttpServletRequest request) {
    System.out.println(providerUpdateDto.toString());
    return null;
}

{
 "name":"foo"
}

{
 "name":"foo"
 "lastname":null
 "proffesion":null
}

{
  "name":"foo"
}