INTELLECTUAL PROPERTY SECURITY AGREEMENT
This Intellectual Property Security Agreement is entered into as of May 27, 2010 by and among (a)
MIDCAP FUNDING III , LLC , a Delaware limited liability company, individually as a Lender, and as
Administrative Agent (“ Agent ”), and the financial institutions or other entities from time to time parties as lenders
to the Loan Agreement (as defined below), each as a “ Lender ” and collectively as “ Lenders ”), and (b)
BIOLASE TECHNOLOGY, INC. , a Delaware corporation, (“ Grantor ”).
A. Lenders have agreed to make certain advances of money and to extend certain financial accommodation to
Grantor (the “ Loans ”) in the amounts and manner set forth in that certain Loan and Security Agreement by and
among Lenders, the Agent and Grantor, dated as of May 27, 2010, (as the same may be amended, modified or
supplemented from time to time, the “ Loan Agreement ”). Capitalized terms used herein are used as defined in
the Loan Agreement. Lenders are willing to make the Loans to Grantor, but only upon the condition, among others,
that Grantor shall grant to Agent, for the ratable benefit of the Lenders, and to each Lender a security interest in
certain Copyrights, Trademarks, Patents, and Mask Works (as each term is described below) to secure the
obligations of Grantor under the Loan Agreement.
B. Pursuant to the terms of the Loan Agreement, Grantor has granted to Agent, for the ratable benefit of the
Lenders, and to each Lender a security interest in all of Grantor’s right, title and interest, whether presently existing
or hereafter acquired, in, to and under all of the Collateral.
NOW, THEREFORE, for good and valuable consideration, receipt of which is hereby acknowledged, and
intending to be legally bound, as collateral security for the prompt and complete payment when due of its
obligations under the Loan Agreement, Grantor hereby represents, warrants, covenants and agrees as follows:
To secure its obligations under the Lo