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。