ADTRAN Holdings Research and Development Expenses 1991-2025 | ADTN
ADTRAN Holdings research and development expenses from 1991 to 2025. Research and development expenses can be defined as an expense arising from studies and product development processes.
| ADTRAN Holdings Annual Research and Development Expenses (Millions of US $) |
|
|---|---|
| 2024 | $221 |
| 2023 | $258 |
| 2022 | $174 |
| 2021 | $109 |
| 2020 | $113 |
| 2019 | $126 |
| 2018 | $125 |
| 2017 | $131 |
| 2016 | $125 |
| 2015 | $130 |
| 2014 | $132 |
| 2013 | $131 |
| 2012 | $126 |
| 2011 | $100 |
| 2010 | $90 |
| 2009 | $83 |
| 2008 | $82 |
| 2007 | $75 |
| 2006 | $71 |
| 2005 | $63 |
| 2004 | $67 |
| 2003 | $58 |
| 2002 | $56 |
| 2001 | $59 |
| 2000 | $51 |
| 1999 | $42 |
| 1998 | $37 |
| 1997 | $30 |
| 1996 | $25 |
| 1995 | $19 |
| 1994 | $14 |
| 1993 | $10 |
| 1992 | $7 |
| 1991 | $5 |
| 1990 | |