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Collaboration and Licensing Agreements (Tables)

12 Months Ended

Dec. 31, 2018

Collaboration and Licensing Agreements

Schedule of revenue by licensees

The $40.6 million, $46.2 million and $109.0 million of revenue recorded for the years ended December 31, 2018, 2017 and 2016, respectively, was earned principally from the following licensees (in millions):

		Year Ended
		December 31,
		2018			2017			2016
					(As Revised)			(As Revised)
Amgen		$	0.6		$	10.0		$	31.2
Alexion			20.0			—			5.0
CSL			—			3.5			—
MorphoSys			—			12.5			—
Novo Nordisk			—			—			2.7
Novartis			20.0			20.1			69.9
Other			—			0.1			0.2
Total		$	40.6		$	46.2		$	109.0

Schedule of disaggregation of revenue

The below table summarizes the disaggregation of revenue recorded for the years ended December 31, 2018, 2017 and 2016 (in millions):

		Year Ended
		December 31,
		2018			2017			2016
					(As Revised)			(As Revised)
Research collaboration		$	20.1		$	20.1		$	34.2
Milestone			20.5			26.0			5.0
Licensing			—			0.1			69.8
Total		$	40.6		$	46.2		$	109.0

Schedule of revenue from U.S. and Non U.S. sources

A breakdown of our revenue from U.S. and Non‑U.S. sources for the years ended December 31, 2018, 2017 and 2016 is as follows (in millions):

		Year Ended
		December 31,
		2018			2017			2016
					(As Revised)			(As Revised)
U.S. Revenue		$	40.6		$	30.2		$	106.3
Non-U.S. Revenue			—			16.0			2.7
Total		$	40.6		$	46.2		$	109.0

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