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Protecting the Foundation
Intellectual Property Portfolio
Protecting the Foundation
of Secure Silicon
SEALSQ Corp has assembled a world-class IP portfolio spanning semiconductor security, contactless communication, anti-counterfeiting, and digital authentication — protecting billions of connected devices globally.
100+
Patents Granted
8
Tech Categories
15+
Jurisdictions
2005
First Filing
01 — Overview
Executive Summary
SEALSQ Corp (formerly WISeKey Semiconductors) has assembled a world-class intellectual property portfolio spanning over 100 granted patents across semiconductor security, contactless communication, anti-counterfeiting, and digital authentication technologies.
Founded on decades of applied research in secure microcontroller design, the portfolio protects foundational innovations that underpin modern identity, payment, and IoT security infrastructure. SEALSQ's patents are active across 15+ jurisdictions including the United States, European Union member states, China, Japan, India, Brazil, Hong Kong, Canada, and Singapore.
The company's technology is deployed in government-issued identity documents, EMV payment cards, luxury goods authentication systems, pharmaceutical supply chains, and connected IoT devices — protecting billions of end-users globally.
Strategic IP Strengths
Broadest anti-counterfeiting label patent portfolio in the NFC/UHF hybrid space
Foundational semiconductor security patents covering physical attack resistance
Multi-jurisdiction coverage ensures global enforcement and licensing leverage
Patent families spanning hardware, protocol, and application layers
Ongoing innovation: pending patents in NFT-based persistent authentication
02 — Technology Map
Portfolio Coverage
The portfolio spans eight distinct technology domains, each covering a critical layer of the secure device stack — from silicon-level circuit protection to cloud-connected authentication protocols.
| Technology Domain | Patents | Key Jurisdictions |
|---|---|---|
| Anti-Counterfeiting Labels & Tags | 20+ | USFRDEGBCHCNINHKBR |
| NFC Contactless Microcircuits & Modules | 15+ | USFRDEGBCHCNBR |
| Hardware Security & Attack Protection | 12+ | USFR |
| RFID & UHF Communication | 8+ | USDEFRGB |
| Authentication & Cryptographic Protocols | 8+ | USFRDEGBCHCNJPCASG |
| Secure Memory & Data Protection | 8+ | USFRIN |
| Clock, Power & Analog Circuits | 8+ | USFRDECHGB |
| Chip Testing & Fabrication | 5+ | FR |
03 — Technology Categories
Innovation Domains
Anti-Counterfeiting Labels & Tags
The largest portfolio category. Patents protect dual-mode, hybrid, crack-resistant, and tamper-evident NFC/UHF label designs including bottle-cap tamper detection, post-opening functionality, and crack-resistant antenna geometries.
Applications
- Luxury Fashion
- Wine & Spirits
- Pharmaceuticals
- Cosmetics
- Electronics
- Automotive Parts
NFC Contactless Microcircuits & Modules
Core patents covering NFC antenna system design, contactless module fabrication, tunable inductance coils, dual-interface modules, and signal-adaptive communication interfaces enabling universal NFC interoperability.
Applications
- ePassports
- EMV Cards
- Transit Cards
- Access Control
- Healthcare ID
- Mobile NFC
Hardware Security & Physical Attack Protection
Foundational patents protecting ICs against laser fault injection, side-channel analysis, power analysis, and unauthorized probing — forming the security core of secure elements, eSIM, HSM, and cryptographic processors.
Applications
- SIM / eSIM / iSIM
- HSM
- ID / Passport Chips
- Payment Security
- IoT RoT
- Defense
RFID & UHF Communication
Long-range UHF RFID innovations covering integrated circuit design and GSM-UHF bridge devices. Enables high-throughput asset tracking at distances far exceeding NFC range.
Applications
- Warehouse Logistics
- Supply Chain
- Baggage Handling
- Retail Inventory
- Libraries
- Industrial Parts
Authentication & Cryptographic Protocols
Patents covering chained IoT device authentication, digital certification of physical objects, and NFT-based authentication frameworks addressing zero-trust security architectures and digital product passports.
Applications
- IoT Zero-Trust
- Digital Passports
- NFT Certificates
- PKI Infrastructure
- Blockchain Provenance
Secure Memory & Data Protection
Innovations in secure memory architecture including transient pulse detection, obfuscated erase/write operations, and cryptographic data protection protocols preventing extraction of keys from embedded secure elements.
Applications
- Key Storage
- Secure Enclaves
- Credential Storage
- Banking HSM
- Military Key Mgmt
Clock, Power & Analog Circuits
Patented clock frequency adjustment circuits, multi-threshold reset logic, digital low-frequency detectors, contactless power management, and automatic signal-level adaptation circuits for ultra-low-power IoT devices.
Applications
- Ultra-Low-Power IoT
- Batteryless NFC
- Smart Packaging
- Wearables
- Industrial IoT
Chip Testing & Fabrication
Specialized test arrangements and fabrication methods supporting the production and validation of secure semiconductor chips, including back-side laser attack test fixtures for verifying IC resistance.
Applications
- Chip Validation
- Security Testing
- Manufacturing QA
- Fault Injection Testing
04 — Patent Inventory
Detailed Patent Listings
Complete inventory of granted and pending patents across all technology domains.
Anti-Counterfeiting Labels & Tags
20+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Anti-counterfeiting label Physically unforgeable NFC label with cryptographic authentication |
Boiron, Enguent, Pic, Guidet |
FR |
Granted |
Dual-mode anti-counterfeiting label Combined NFC+UHF tag for short and long-range authentication |
Enguent, Boiron, Pic, Guidet |
CHDEFRGBUS |
Granted |
Contactless label for bottle cap tamper detection Detects and signals bottle cap opening or tampering |
Pic, Enguent, Dubreucq, Boiron |
CHDEFRGB |
Granted |
Anti-counterfeiting label retaining functionality after use Remains readable and authenticatable after product is opened |
Enguent, Boiron, Pic |
CHDEFRGBCNINUSHK |
Granted |
Enhanced security anti-counterfeiting label Reinforced cryptographic and physical protection mechanisms |
Pic |
CHDEFRGBLUMCNLUS |
Granted |
Crack-resistant anti-counterfeiting label Mechanical and antenna design resistant to cracking during bending/application |
Boiron, Guidet, Gassend |
CHDEFRGBCNUS |
Granted |
Hybrid anti-counterfeiting label Multi-technology hybrid label combining passive and active verification |
Boiron, Pic |
CHDEFRGB |
Granted |
NFC Contactless Microcircuits & Modules
15+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Contactless interface Optimized contactless communication interface for smart card ICs |
Bates |
FR |
Granted |
Antenna system for contactless microcircuit Multi-jurisdiction patented NFC antenna architecture |
Charrat, Pic |
DEFRGBBRCNUS |
Granted |
Contactless microcircuit manufacturing method Production process for NFC chip modules |
Boiron, Pic |
FRCHDEGBBRCNUS |
Granted |
Contactless module with adjustable antenna inductance Post-production tunable NFC antenna frequency |
Boiron, Enguent |
FR |
Granted |
Contactless module with configurable antenna coil In-field configurable antenna for universal smart card compatibility |
Boiron, Enguent |
FR |
Granted |
Dual-interface module (contact + contactless) ISO 7816 + NFC + additional interfaces in a single module |
Boiron, Rivier |
FR |
Granted |
Contactless microcircuit with power management Harvested-power management for batteryless NFC chips |
Bottaro, Godzinski |
FRCHDEGB |
Granted |
Hardware Security & Physical Attack Protection
12+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Semiconductor chip with physical attack protection IC protection against physical/side-channel attacks |
Saisse |
FR |
Granted |
Combined polynomial & natural multiplier architecture Unified multiplier for ECC and RSA cryptographic operations |
Dupaquis, Paris |
US |
Granted |
Securing device use with accessory/consumable Cryptographic binding of device operation to authenticated consumables |
Debelleix, Dupaquis, Guidet |
FR |
Granted |
Laser attack testing arrangement (back-side) Test fixture for validating IC resistance to back-side laser fault injection |
Boiron, Dupaquis, Gassend |
FR |
Granted |
RFID & UHF Communication
8+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
RFID-UHF integrated circuit Core UHF RFID IC for long-range contactless identification |
Kowalski, Serra, Charrat |
US |
Granted |
GSM device with UHF tag reader GSM radio with integrated UHF label reader for mobile asset tracking |
Charrat, Cordier |
USDEFRGB |
Granted |
Authentication & Cryptographic Protocols
8+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Chained authentication via connected devices Multi-hop authentication enabling cascaded device trust in IoT networks |
Decugis |
DEFRGBCNJPUS |
Granted |
Digital certification of physical object authenticity Links physical objects to verifiable digital certificates |
Darbellay, Creus Moreira, Blackman, Moreno |
CHUSCASG |
Granted |
Method for digital authentication of valuable goods Authentication apparatus for high-value physical goods |
Darbellay, Creus Moreira, Blackman, Moreno |
US |
Granted |
System for persistent authenticatable NFT Blockchain-anchored NFT system with durable real-world authentication |
Debelleix, Feuardent, Fuentes, Clark |
CHUS |
Pending |
NFC resale security method Cryptographic protocol to secure resale of NFC-equipped objects |
Dubreucq, Janati Idrissi |
FR |
Granted |
Secure Memory & Data Protection
8+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Memory with transient pulse detection circuit Memory line monitoring for fault injection detection and prevention |
Bouzekri Alami |
FRINUS |
Granted |
Dummy memory erase/program protected against detection Masked erase/write operations preventing monitoring attacks |
Merandat |
FRUS |
Granted |
Data security Cryptographic data security protocol for embedded secure storage |
Kaabouch, Croguennec, Lefort |
US |
Granted |
Method to disable a contactless device Permanently disable NFC/contactless tags for privacy protection |
— |
FRUS |
Granted |
Clock, Power & Analog Circuits
8+ PATENTS
| Patent | Inventors | Countries | Status |
|---|---|---|---|
Clock frequency adjustment method & circuit Automatic clock tuning across voltage/temperature |
Bracmard, Maraninchi, Roche |
FRDE |
Granted |
Digital low frequency detector Low-frequency signal detection for secure embedded systems |
— |
US |
Granted |
Multi-threshold reset circuit Multiple voltage threshold reset for reliable embedded startup |
— |
US |
Granted |
Clock signal frequency adjustment method & circuit (v2) Second-generation precision clock tuning for low-power contactless ICs |
Migairou, Roche |
FRUS |
Granted |
Communication interface with automatic signal adaptation Auto-adapting input signal level for universal reader compatibility |
Rudolff, Roche |
CHDEFRGBUS |
Granted |
05 — Global Reach
Jurisdiction Coverage
Patent families filed and granted across major markets, providing global enforcement capability and licensing leverage.
US
United States
All domains
30+
HIGH
FR
France
All domains
40+
HIGH
DE
Germany
Contactless, Anti-counterfeiting
15+
HIGH
GB
United Kingdom
Contactless, Anti-counterfeiting
15+
HIGH
CH
Switzerland
Contactless, Auth
12+
HIGH
CN
China
Anti-counterfeiting, Auth
8+
HIGH
JP
Japan
Authentication
3+
MED
IN
India
Memory, Anti-counterfeiting
4+
MED
BR
Brazil
Contactless
4+
MED
HK
Hong Kong
Anti-counterfeiting
2+
MED
CA
Canada
Authentication
2+
MED
SG
Singapore
Authentication
2+
MED
06 — Company
About SEALSQ
SEALSQ Corp is a leading provider of semiconductors, PKI, and post-quantum technology hardware and software products. A subsidiary of WISeKey International Holding Ltd, SEALSQ focuses on post-quantum cryptography and secure microcontroller solutions for the IoT, connected devices, and digital identity sectors.
SEALSQ's secure elements are embedded in billions of connected devices globally, providing hardware-anchored security for applications ranging from electronic passports and payment cards to industrial IoT sensors and automotive systems.
The company's innovation spans the full secure device stack — from silicon design and semiconductor fabrication through PKI provisioning, identity lifecycle management, and cloud-connected authentication services.
Contact Information
Entity
SEALSQ Corp
(WISeKey Semiconductors SAS)
(WISeKey Semiconductors SAS)
Address
Route de Pre-Bois 29
1215 Geneva 15, Switzerland
1215 Geneva 15, Switzerland
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