this.setModificationDateAndAuthor(participation.getName());
this.setModificationDateAndAuthor();
    public void setPatentEdit(String title, Partial registrationDate, Partial approvalDate, Person participation){        checkParameters(title,registrationDate,approvalDate,participation);        this.setTitle(title);        this.setRegistrationDate(registrationDate);        this.setApprovalDate(approvalDate);        this.setModificationDateAndAuthor(participation.getName());    }