Patent Expiry Calendar
2027 expirations
13 patents entering the public domain in 2027, accumulating 758 forward citations. Most influential: How Touchscreens Show and Snap Back When You Scroll Past an Edge (402 citations).
Patents expiring
13
Total citations
758
Peak month
January
Expirations by Month
J
F
M
A
M
J
J
A
S
O
N
D
Most-Cited Patents Expiring in 2027
How Touchscreens Show and Snap Back When You Scroll Past an Edge
402
cit.
How Touchscreens Handle Scrolling and Rubber-Band Effects
132
cit.
How Touchscreens Use Math to Recognize Your Fingers
93
cit.
How Fuel Cells Reuse Exhaust Hydrogen for High Efficiency
29
cit.
How to Automatically Generate Musical Harmonies from Audio
24
cit.
How Touchscreens Save Battery by Sleeping Between Touches
21
cit.
How Wind Turbine Blades Reduce Noise with Small Fins
17
cit.
How Touchscreens Precisely Align Signals to Detect Your Touch
13
cit.
How Multi-Stage Power Amplifiers Save Battery Life in Wireless Devices
13
cit.
Wind Turbine Blades with a Deeply Curved Front Surface
6
cit.
How a Robot Actuator Controls Force and Speed with Gears
5
cit.
How to Stack Computer Chips on a Wafer for Smaller Devices
3
cit.
Month-by-Month Breakdown
January
3 patentsFebruary
3 patentsMarch
3 patents