Inogen, Inc. Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt

6 Months Ended

Jun. 30, 2016

6. Long-term debt

JPMorgan Chase Bank debt

As of June 30, 2016 and December 31, 2015, the Company had no outstanding borrowings under its revolving line of credit.

Patent purchase obligation

The contractual obligations schedule below relates to the acquisition of patents which are reflected in intangible assets and were acquired in 2011.

	June 30,			December 31,
	2016			2015
Contractual obligation, bearing imputed interest at prime plus two, quarterly payments of $53 beginning May 2011 through October 2014 and quarterly payments of $81 beginning January 2015 through October 2016	$	159		$	315
Less: current maturities		(159	)		(315	)
Long-term debt, net of current portion	$	—		$	—

As of June 30, 2016, the minimum aggregate payments due under non-cancelable debt are summarized as follows: