Patent Expiry Calendar
2028 expirations
14 patents entering the public domain in 2028, accumulating 1,528 forward citations. Most influential: How Touchscreens Understand Your Finger Swipes and Scrolls (1,120 citations).
Patents expiring
14
Total citations
1,528
Peak month
January
Expirations by Month
J
F
M
A
M
J
J
A
S
O
N
D
Most-Cited Patents Expiring in 2028
How Touchscreens Understand Your Finger Swipes and Scrolls
1,120
cit.
Connecting Computer Chips with a Special Bridge Die
89
cit.
Making Iron More Efficiently and Generating Power with Oxygen
62
cit.
How to Connect Quantum Computer Bits with a Superconducting Circuit
57
cit.
How Smartphones Switch Between Slow and Fast Scrolling
42
cit.
How to Send Data Streams Independently Without Connection Overload
42
cit.
How a High-Temperature Fuel Cell System Starts, Stops, and Recycles Fuel
26
cit.
How Satellites Handle Super Fast User Data Using Shared Antennas
25
cit.
How a MEMS Sensor Uses a Reference to Improve Z-Axis Accuracy
22
cit.
Wind Turbine Blades with Noise-Reducing Serrated Edges
20
cit.
How Nanoparticles Form Adaptive Neural Network Connections
12
cit.
How to Make Hydrogen Gas Using Sulfur Dioxide and Electricity
9
cit.
Solar Cells Made of Stacking Layers with Different Energy Gaps
2
cit.
Month-by-Month Breakdown
January
3 patentsApril
2 patentsJune
2 patentsAugust
2 patentsSeptember
2 patents