滴滴出行最近在美国大举收购自动驾驶领域相关的专利，整个专利包涉及29个专利家族总共100多个专利。专利原所有人为法国主权专利基金（SPF）Brevets和法国军工企业Thales，交易双方未公布具体的交易细节，值得一提的是，购买方属于滴滴出行旗下的滴滴（香港）科技有限公司。
这些专利主要涉及激光雷达、防撞测距、以及导航辅助驾驶领域。
专利号 | 申请日 | 主题 |
US6111526A | 1996-08-02 | Vehicle course steering aid device |
US5923284A | 1996-12-20 | Radar for the detection of obstacles, especially for automobile vehicles |
US5963163A | 1997-03-04 | Method and device for frequency-modulated continuous-wave radar detection with removal of ambiguity between distance and speed |
US5955985A | 1997-03-04 | Device for the reduction of noise in a radar receiver |
US6023238A | 1997-03-28 | Method and device for the removal of ambiguity in distance, applied especially to frequency-shift keying continuous-wave radars |
US6211813B1 | 1997-05-23 | Compact monopulse source for a focal feed reflector antenna |
US6618449B1 | 1998-03-03 | Receiver for a frequency-shift-keying, continuous-wave radar |
US7000722B2 | 1999-02-26 | Operating device for a cruise control system of an automobile vehicle |
US6437731B1 | 1999-09-07 | Method and device for the alignment of an automobile radar |
US7161526B2 | 2000-12-15 | Broadband radar and modulator, in particular for microwave switching over a very short period |
US6813086B2 | 2000-12-19 | Head-up display adaptable to given type of equipment |
US6859167B2 | 2002-09-10 | Method for increasing the unambiguous distance in FSK radars |
US7091468B2 | 2002-10-29 | Device for image processing with recognition and selection of light sources |
US7130028B2 | 2003-01-21 | Method of detecting a luminous signal and lidar system |
US7668625B2 | 2003-12-19 | Lateral maneuverability map for a vehicle and method of obtaining it |
US7495822B2 | 2004-03-12 | Frequency shifter in an optical path containing a continuous laser source |
US8035888B2 | 2004-03-12 | Frequency shifter in an optical path containing a pulsed laser source |
US7423736B2 | 2004-05-04 | Low-cost doppler frequency shift measuring device |
US7580132B2 | 2004-05-04 | Optical device for measuring a doppler frequency shift |
US7733243B2 | 2004-09-24 | Device and method for signaling lateral maneuver margins |
US7864110B2 | 2005-05-24 | Method for beam formation by calculation, in particular adapted to the compensation of failures of active modules of a radar with electronic scanning |
US7903023B2 | 2007-03-16 | Obstacle detection system notably for an anticollision system |
US8924139B2 | 2007-06-05 | Collision prevention device and method for a vehicle on the ground |
US8441734B2 | 2009-07-10 | Head-up display with optical combination providing protection against solar illumination |
US8487233B2 | 2009-10-06 | Vision equipment comprising an optical strip with a controlled coefficient of light transmission |
US8115672B2 | 2010-02-02 | Method of measuring distance, notably for short-range radar |
US9616891B2 | 2012-10-09 | Vehicle guidance system and corresponding method |
US9746372B2 | 2012-11-09 | Receiver of a pulsed light signal with wide dynamic range |
有意思的是，这些专利不少是在2000年之前申请的，有些专利族的部分专利已经过期，不过专利侵权是可以追溯的。目前这些专利都未在中国申请，相信滴滴购入这些专利是为进一步布局美国无人驾驶市场铺路，将再一次在美国与Uber直接竞争。
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