| Intangible Assets, Net |
7. Intangible Assets, Net Intangible assets consisted of the following as of March 31, 2026: | | | | | | | | | | | | | | | | | | | | | | | | | Gross Carrying Value | | Accumulated Amortization | | Net Carrying Value | | Weighted-Average Remaining Useful Life | | | | | | | | | | (in thousands) | | (in years) | Intangible assets subject to amortization: | | | | | | | | Customer relationships | $ | 143,083 | | | $ | (135,134) | | | $ | 7,949 | | | 0.5 | Patents | 81,434 | | | (38,883) | | | 42,551 | | | 7.6 | Developed technology | 23,310 | | | (11,769) | | | 11,541 | | | 5.8 | Total intangible assets subject to amortization | $ | 247,827 | | | $ | (185,786) | | | $ | 62,041 | | | | Intangible assets not subject to amortization: | | | | | | | | Trade name and trademarks | $ | 387,268 | | | $ | — | | | $ | 387,268 | | | Indefinite | Total intangible assets, net | $ | 635,095 | | | $ | (185,786) | | | $ | 449,309 | | | |
Intangible assets consisted of the following as of December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | Gross Carrying Value | | Accumulated Amortization | | Net Carrying Value | | Weighted-Average Remaining Useful Life | | | | | | | | | | (in thousands) | | (in years) | Intangible assets subject to amortization: | | | | | | | | Customer relationships | $ | 143,083 | | | $ | (131,159) | | | $ | 11,924 | | | 0.8 | Patents | 77,326 | | | (36,973) | | | 40,353 | | | 7.5 | Developed technology | 23,070 | | | (11,148) | | | 11,922 | | | 6.0 | Total intangible assets subject to amortization | $ | 243,479 | | | $ | (179,280) | | | $ | 64,199 | | | | Intangible assets not subject to amortization: | | | | | | | | Trade name and trademarks | $ | 386,938 | | | $ | — | | | $ | 386,938 | | | Indefinite | Total intangible assets, net | $ | 630,417 | | | $ | (179,280) | | | $ | 451,137 | | | |
Amortization expenses for intangible assets were as follows: | | | | | | | | | | | | | Three Months Ended March 31, | | 2026 | | 2025 | | | | | | (in thousands) | Research and development | $ | 2,415 | | | $ | 2,118 | | Sales and marketing | 3,974 | | | 3,975 | | Total amortization expenses | $ | 6,389 | | | $ | 6,093 | |
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