Buyers want tap-to-buy without password pain.
Expired patents, tiny buildable bets.
Pick a trend. Grab an old blueprint. Copy a build brief. No patent degree, no legal fog, no 80-page memo before you can make something.
Search like a builder: product, pain, or weird market. PatentJoy turns the match into a build card.
Amazon's old checkout trick is back.
Passkeys and wallets make the expired 1-Click idea useful for indie stores again.
Single-action ordering with saved buyer details.
Show stores where buyers quit, then install a faster reorder path.
Old blueprints scanned
Ideas translated
Likely expired
Builder saves
Engine live
Tiny proof board
Real patterns for turning scary patent language into a safer first product angle.
Decentralized Status Broker
Avoided active push-event patent claims by implementing client-side polling with exponential backoff on Edge workers.
Wearable Biosense Tracker
Bypassed active data routing claims by performing localized symmetric encryption on-device before transmission.
Smart Parking Allocation Engine
Sidestepped proximity-sensor tracking claims by utilizing municipal open data and crowdsourced visitor reports.
Haptic Feedback Actuator
Active patent claims cover direct frequency modulation; workaround utilizes pulse-width modulation with dynamic limits.
Everything: leaders recalculated for this shelf
The three leaderboards below now use only this selected patent shelf. Hot timing, expired-first, and big-upside picks change together so the rabbit hole feels like a real market lens, not a decorative tag.
Hot timing
Expired first
Where the fun hides
One old checkout patent, one real demand curve
Homepage FOMO follows the same rule as idea pages: show the curve only when explicit monthly observations exist.
Real curve, or no curve.
Checking the cached/live provider row for One-Click Checkout.
Buildable bets (1012)
Resonant Power Link
Magnetic resonance wireless charging for moving warehouse robots
Plain English: Wireless charging, but it works over longer distances. It beams electricity through the air using magnetic waves, similar to how radio signals travel.
One-Click Checkout & Conversion Layer
One-Click Checkout
Plain English: It's like having a store remember your address and credit card so you can buy anything just by clicking one button.
RSA Security & Encryption Tools
RSA Cryptographic Algorithm
Plain English: It's like a padlock with two keys: one key is public and anyone can use it to lock a box, but only the owner has the private key to unlock it.
Paste a PatentJoy card into Lovable
Take one weird idea, paste the prompt, and get a first app shape before the coffee cools.
Open Status Tracker
Parcel Tracking with Email Notifications
Plain English: It's like a post office system that emails you a special link so you can check where your box is as it travels.
FDM Desktop 3D Printer Kits
Fused Deposition Modeling (FDM) 3D Printing
Plain English: It's like a computer-controlled hot glue gun that builds 3D toys and plastic parts layer-by-layer.
Diffie-Hellman Secure Infrastructure
Diffie-Hellman Key Exchange
Plain English: It's like two people mixing paint colors in public to create a secret color that only they can identify, without showing their original colors.
Open Event Inventory
Active Reservation System for Venues & Events
Plain English: It's a digital coordinator that makes sure two people don't try to book the exact same tennis court or movie ticket at the same time.
Open Table Status
Live Restaurant Seat & Waitlist Visibility
Plain English: It's like a live digital map showing which tables in a restaurant are empty, eating dessert, or ready for next customers.
GIF & LZW Image Editors
LZW Compression (GIF Patent Barrier)
Plain English: It's like a packing trick that finds repeated patterns in a picture and shrinks them so the file loads quickly.
MP3 Audio Tools & Engines
MP3 Audio Compression & Encoding
Plain English: It's a smart formula that shrinks high-quality songs into small computer files so they can be sent easily over the internet.
SLS Powder 3D Printing Systems
Selective Laser Sintering (SLS) 3D Printing
Plain English: It's like using a laser beam to draw on a flat bed of powder, turning the loose dust into solid plastic pieces.
Restaurant Wait Time Intelligence
Restaurant Queue Time Prediction
Plain English: It looks at how fast people are paying their bills and how many tables are empty to guess exactly when you will get a seat.
More cards, deeper checks, better prompts.
Free browsing gets you the idea. Pro is for builders who want the source trail, prompt set, and first-product plan in one place.
- Plain-English claim map
- Expired alternative scan
- Domain shortlist and naming angles
- Buyer and partner map
- 30-day MVP and GTM plan
Tiny brief. Real source trail. Fast build.
PatentJoy is built for builders who do not want a patent lecture. Each card connects one demand signal, one expired invention, and one smallest product you can try in AI Studio.