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Intangibles, net

6 Months Ended

Oct. 28, 2023

7. Intangibles, net

The components of intangibles are as follows (in thousands):


	October 28,		April 30,
	2023		2023
Technology	$	100,885	$	60,817
Licenses		1,008		1,008
Customer relationships		77,258		72,645
Backlog		2,805		2,895
In-process research and development		550		550
Non-compete agreements		320		320
Trademarks and tradenames		1,668		68
Other		144		150
Intangibles, gross		184,638		138,453
Less accumulated amortization		(101,790)		(94,876)
Intangibles, net	$	82,848	$	43,577

Additions to technology, customer relationships, and trademark and tradenames primarily relate to the Tomahawk acquisition. Refer to Note 16—Business Acquisitions for further details. In addition, during the three months ended October 28, 2023, AeroVironment acquired technology intellectual property of $1,500,000 through an asset purchase agreement with Windward Performance, Ltd. Under the asset purchase agreement AeroVironment acquired intellectual property related to unmanned aircraft for $3,000,000 consisting of $1,500,000 paid at close plus two payments of $750,000 on the first and second anniversaries of the purchase agreement. The additional payments will be expensed to R&D on a straight-line basis over the two year term.

The weighted average amortization period at each of October 28, 2023 and April 30, 2023 was four years. Amortization expense for the three and six months ended October 28, 2023 was $4,262,000 and $7,276,000, respectively. Amortization expense for the three and six months ended October 29, 2022 was $5,983,000 and $11,852,000, respectively.

Estimated amortization expense for the next five years is as follows (in thousands):


	Year ending
	April 30,
2024	$	10,635
2025		19,119
2026		14,983
2027		12,615
2028		11,901
	$	69,253