Exhibit 3.11 STATE OF NORTH CAROLINA DEPARTMENT OF THE SECRETARY OF STATE CERTIFICATE OF DOMESTIC LIMITED PARTNERSHIP A. RETURN ACKNOWLEDGEMENT TO: NAME: MAILING ADDRESS CITY/STATE/ZIP READ INSTRUCTIONS ON REVERIE BEFORE BEGINNING. ATTACH ADDITIONAL PAGES AS NEEDED. NO. PAGES ATTACHED - ------------------------------------------------------------------------------------------------------------------------------------ B. NAME OF LIMITED PARTNERSHIP (MUST CONTAIN WORDS "LIMITED PARTNERSHIP") Innovex Support Services Limited Partnership - ------------------------------------------------------------------------------------------------------------------------------------ C. IF FORMED PRIOR TO OCTOBER 1, 1986, COMPLETE THIS SECTION COUNTY OF FILING: COUNTY FILE NUMBER: DATE OF FILING: - ------------------------------------------------------------------------------------------------------------------------------------ D. NAME OF REGISTERED AGENT CT Corporation System - ------------------------------------------------------------------------------------------------------------------------------------ E. ADDRESS OF REGISTERED OFFICE: STREET NUMBER: CITY NC ZIP: COUNTY 225 Hillsborough Street Raleigh 27603 Wake - ------------------------------------------------------------------------------------------------------------------------------------ E. ADDRESS OF OFFICE WHERE RECORDS ARE KEPT IF NOT KEPT AT REGISTERED OFFICE STREET NUMBER: CITY NC ZIP: COUNTY 4709 Creekstone Drive Durham 27703 Durham - ------------------------------------------------------------------------------------------------------------------------------------ G. LATEST DATE UPON WHICH LIMITED PARTNERSHIP IS TO DISSOLVE: 6/1/2030 - ------------------------------------------------------------------------------------------------------------------------------------ H. COMPLETE FOR EACH GENERAL PARTNER: - ------------------------------------------------------------------------------------------------------------------------------------ NAME 1. Innovex America Holding Company 2. - ------------------------------------------------------------------------------------------------------------------------------------ STREET/ 10 Waterview Blvd. NUMBER - ------------------------------------------------------------------------------------------------------------------------------------ CITY Parsippany, New Jersey 08628 - ------------------------------------------------------------------------------------------------------------------------------------ STATE/ New Jersey 08628 ZIP - ------------------------------------------------------------------------------------------------------------------------------------ COUNTY Morris - ------------------------------------------------------------------------------------------------------------------------------------ NAME 3. 4. - ------------------------------------------------------------------------------------------------------------------------------------ STREET/ NUMBER - ------------------------------------------------------------------------------------------------------------------------------------ CITY - ------------------------------------------------------------------------------------------------------------------------------------ STATE/ ZIP - ------------------------------------------------------------------------------------------------------------------------------------ COUNTY - ------------------------------------------------------------------------------------------------------------------------------------ 1. THE FOLLOWING SIGNATURES OF EACH GENERAL PARTNER CONSTITUTE AN AFFIRMATION UNDER THE PENALTIES OF PERJURY THAT THE FACTS HEREIN ARE TRUE. - ------------------------------------------------------------------------------------------------------------------------------------ TYPE OR PRINT FOR EACH GENERAL PARTNER - ------------------------------------------------------------------------------------------------------------------------------------ 1. IF THE GENERAL PARTNER IS AN INDIVIDUAL, COMPLETE THIS SECTION. DATE - ------------------------------------------------------------------------------------------------------------------------------------ a. NAME SIGNATURE - ------------------------------------------------------------------------------------------------------------------------------------ b. NAME SIGNATURE - ------------------------------------------------------------------------------------------------------------------------------------ c. NAME SIGNATURE - ------------------------------------------------------------------------------------------------------------------------------------ 2. IF THE GENERAL PARTNER IS A CORPORATION OR OTHER ENTITY, COMPLETE THIS SECTION. DATE - ------------------------------------------------------------------------------------------------------------------------------------ a. NAME OF CORPORATION OR OTHER ENTITY Innovex America NAME OF OFFICER SIGNING Eric Green, Secretary - ------------------------------------------------------------------------------------------------------------------------------------ TITLE OF OFFICER SIGNING Holding Company SIGNATURE /s/ Eric Green 6/5/01 - ------------------------------------------------------------------------------------------------------------------------------------ b. NAME OF CORPORATION OR OTHER ENTITY NAME OF OFFICER SIGNING - ------------------------------------------------------------------------------------------------------------------------------------ TITLE OF OFFICER SIGNING SIGNATURE - ------------------------------------------------------------------------------------------------------------------------------------ c. NAME OF CORPORATION OR OTHER ENTITY NAME OF OFFICER SIGNING - ------------------------------------------------------------------------------------------------------------------------------------ TITLE OF OFFICER SIGNING SIGNATURE - ------------------------------------------------------------------------------------------------------------------------------------ Notes: Filing fee is $50.00. This document and one exact or conformed copy must be filed with the Secretary of State Revised January 2000 Form LP-01 CORPORATIONS DIVISION P.O. BOX 29622 RALEIGH, NC 27626-0622