tsql view with case when else in select

USE [ARSystem]

go

/****** Object:  View [dbo].[ISS_HPD_WorkLogMod1]    Script Date: 08/13/2013 11:06:27 ******/
SET ansi_nulls ON

go

SET quoted_identifier ON

go

ALTER VIEW [dbo].[ISS_HPD_WorkLogMod1]
AS
  SELECT T1.work_log_id,
         T1.submitter,
         T1.submit_date,
         T1.assigned_to,
         T1.last_modified_by,
         T1.last_modified_date,
         T1.status,
         T1.short_description,
         T1.assignee_groups,
         ( CASE
             WHEN ( ( T2.first_name IS NOT NULL )
                    AND ( T2.last_name IS NOT NULL ) ) THEN (
             T2.first_name + ' ' + T2.last_name )
             ELSE ( T1.submitter )
           END ) AS ConcatFLName
  FROM   hpd_worklog AS T1
         FULL OUTER JOIN ctm_people AS T2
                      ON T1.work_log_submitter = T2.remedy_login_id

go