
Founded in 2017 to fight back against patent trolls and level the playing field for innovative companies.

For recap on the Blackbird prior-art search, check out this blog post.
Click links in the left column to view crowdsourced prior art.
| Patent Number | Name |
|---|---|
| 6175608 | PEDOMETER |
| 6175608 | PEDOMETER |
| 6175608 | PEDOMETER |
| 6188683 | SYSTEM AND METHOD FOR ESTABLISHING LONG DISTANCE VOICE COMMUNICATIONS USING THE INTERNET |
| 6188683 | SYSTEM AND METHOD FOR ESTABLISHING LONG DISTANCE VOICE COMMUNICATIONS USING THE INTERNET |
| 6188683 | SYSTEM AND METHOD FOR ESTABLISHING LONG DISTANCE VOICE COMMUNICATIONS USING THE INTERNET |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6425349 | BICYCLE PET CARRIER |
| 6434212 | PEDOMETER |
| 6434212 | PEDOMETER |
| 6434212 | PEDOMETER |
| 6434212 | PEDOMETER |
| 6450222 | NON-PNEUMATIC TIRE HAVING AN ELASTOMERIC HOOP |
| 6450222 | NON-PNEUMATIC TIRE HAVING AN ELASTOMERIC HOOP |
| 6450222 | NON-PNEUMATIC TIRE HAVING AN ELASTOMERIC HOOP |
| 6453303 | AUTOMATED ANALYSIS FOR FINANCIAL ASSETS |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6453335 | PROVIDING AN INTERNET THIRD PARTY DATA CHANNEL |
| 6557948 | BRAKING APPARATUS FOR A VEHICLE |
| 6823036 | WRISTWATCH-TYPED PEDOMETER WITH WIRELESS HEARTBEAT SIGNAL RECEIVING DEVICE |
| 6823036 | WRISTWATCH-TYPED PEDOMETER WITH WIRELESS HEARTBEAT SIGNAL RECEIVING DEVICE |
| 6956338 | ANALOG CONTROL OF LIGHT SOURCES |
| 7081036 | BUTTOCK LIFT SUPPORT |
| 7081036 | BUTTOCK LIFT SUPPORT |
| 7086751 | ILLUMINATED PRODUCT PACKAGING |
| 7086751 | ILLUMINATED PRODUCT PACKAGING |
| 7086751 | ILLUMINATED PRODUCT PACKAGING |
| 7086751 | ILLUMINATED PRODUCT PACKAGING |
| 7106183 | REARVIEW CAMERA AND SENSOR SYSTEM FOR VEHICLES |
| 7106183 | REARVIEW CAMERA AND SENSOR SYSTEM FOR VEHICLES |
| 7114834 | LED LIGHTING APPARATUS |
| 7114834 | LED LIGHTING APPARATUS |
| 7114834 | LED LIGHTING APPARATUS |
| 7114834 | LED LIGHTING APPARATUS |
| 7129931 | MULTIPURPOSE COMPUTER DISPLAY SYSTEM |
| 7162378 | POINT OF PLAY TERMINAL |
| 7174362 | METHOD AND SYSTEM FOR SUPPLYING PRODUCTS FROM PRE-STORED DIGITAL DATA IN RESPONSE TO DEMANDS TRANSMITTED VIA COMPUTER NETWORK |
| 7174362 | METHOD AND SYSTEM FOR SUPPLYING PRODUCTS FROM PRE-STORED DIGITAL DATA IN RESPONSE TO DEMANDS TRANSMITTED VIA COMPUTER NETWORK |
| 7230392 | ANALOG CONTROL OF LIGHT SOURCES |
| 7230392 | ANALOG CONTROL OF LIGHT SOURCES |
| 7752243 | METHOD AND APPARATUS FOR CONSTRUCTION AND USE OF CONCEPT KNOWLEDGE BASE |
| 7752243 | METHOD AND APPARATUS FOR CONSTRUCTION AND USE OF CONCEPT KNOWLEDGE BASE |
| 7752557 | METHOD AND APPARATUS OF VISUAL REPRESENTATIONS OF SEARCH RESULTS |
| 7752557 | METHOD AND APPARATUS OF VISUAL REPRESENTATIONS OF SEARCH RESULTS |
| 7788261 | INTERACTIVE WEB INFORMATION RETRIEVAL USING GRAPHICAL WORD INDICATORS |
| 7788261 | INTERACTIVE WEB INFORMATION RETRIEVAL USING GRAPHICAL WORD INDICATORS |
| 7797448 | GPS-INTERNET LINKAGE |
| 7797448 | GPS-INTERNET LINKAGE |
| 7797448 | GPS-INTERNET LINKAGE |
| 7797448 | GPS-INTERNET LINKAGE |
| 7797448 | GPS-INTERNET LINKAGE |
| 7797448 | GPS-INTERNET LINKAGE |
| 7809717 | METHOD AND APPARATUS FOR CONCEPT-BASED VISUAL PRESENTATION OF SEARCH RESULTS |
| 7830245 | SYSTEM AND METHOD FOR POSITIONING A VEHICLE OPERATOR |
| 7867058 | SPORTS BRA |
| 7867058 | SPORTS BRA |
| 7867058 | SPORTS BRA |
| 7867058 | SPORTS BRA |
| 7958214 | METHOD FOR SECURE TRANSACTIONS UTILIZING PHYSICALLY SEPARATED COMPUTERS |
| 8106569 | LED RETROFIT FOR MINIATURE BULBS |
| 8106569 | LED RETROFIT FOR MINIATURE BULBS |
| 8106569 | LED RETROFIT FOR MINIATURE BULBS |
| 8106569 | LED RETROFIT FOR MINIATURE BULBS |
| 8106569 | LED RETROFIT FOR MINIATURE BULBS |
| 8715087 | VIDEO GAME INCLUDING USER DETERMINED LOCATION INFORMATION |
| 8715087 | VIDEO GAME INCLUDING USER DETERMINED LOCATION INFORMATION |
| 8996546 | INTERNET BASED RESOURCE RETRIEVAL SYSTEM |
| 9620989 | RECHARGEABLE BATTERY ACCESSORIES |
| 9620989 | RECHARGEABLE BATTERY ACCESSORIES |
| 9620989 | RECHARGEABLE BATTERY ACCESSORIES |
| 9620989 | RECHARGEABLE BATTERY ACCESSORIES |
| 9620989 | RECHARGEABLE BATTERY ACCESSORIES |
| 9679286 | METHODS AND APPARATUS FOR ENABLING SECURE NETWORK-BASED TRANSACTIONS |
| PUB20130141903 | LED LIGHTING APPARATUS |
| PUB20130141903 | LED LIGHTING APPARATUS |
| PUB20130141903 | LED LIGHTING APPARATUS |
| PUB20130213082 | METHOD AND APPARATUS FOR A DISTRIBUTED COOLING SYSTEM FOR ELECTRONIC EQUIPMENT ENCLOSURES |
| PUB20130213082 | METHOD AND APPARATUS FOR A DISTRIBUTED COOLING SYSTEM FOR ELECTRONIC EQUIPMENT ENCLOSURES |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |
| PUB20140200078 | Video Game Including User Determined Location Information |