Exhibit 16.1
| Deloitte & Touche LLP |
| 111 S. Wacker Drive |
| Chicago, IL 60606 |
| USA |
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| Tel: +1 312 486 1000 |
| Fax: +1 312 486 1486 |
| www.deloitte.com |
December 20, 2012
Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549-7561
Dear Sirs/Madams:
We have read Item 4 of AbbVie Inc.’s Form 8-K dated December 20, 2012, and have the following comments:
1. We agree with the statements made in Item 4.01(a) paragraphs one through five.
2. We agree with the statements made in the first sentence of Item 4.01(b).
3. As to the second sentence of Item 4.01(b), we have no basis to agree or disagree with the statement insofar as it applies to clause (i) and we agree with the statement as it applies to clause (ii).
Yours truly, |
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/s/ Deloitte & Touche LLP |
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