Corrective Assignment to Correct the Incorrect Patent Numbers 60046789 and 11744487 Previously Recorded on Reel 021658 Frame 0855. Assignor(S) Hereby Confirms the Grant of Patent Security Agreement.

Recorded: 2008-10-17 Received: 2008-10-17 Pages: 12

Assignor

QUIDEL CORPORATION

Executed: 2008-10-08

Assignee

BANK OF AMERICA, N.A., AS AGENT

2001 CLAYTON BLVD., BUILDING B, MAIL CODE: CA4-702-02-25 ATTN: MONITORING AND COMPLIANCE, CONCORD, CA, 94520-2405, UNITED STATES

Covered Properties (4)

Base Station Equipment, Base Station Control Equipment and Communication System

Application: 12/297,116 →

Integrated Assay Device and Housing

Application: 61/046,789 →

Network Context Service

Application: 60/990,082 →

Iconic Colorimetric Test Device with Reduced Susceptibility To False Positive and False Negative Readings

Application: 11/774,487 →