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Standard Essential Patents and FRAND Licensing Explained

April 26, 2026 Aruna 12 min read
standard essential patents and FRAND licensing — intellectual property law and protection

Standard essential patents (SEPs) and their associated FRAND licensing obligations are among the most commercially significant and legally contested areas of modern IP law. From Wi-Fi and Bluetooth to 4G and 5G cellular standards, the technologies that underpin global connectivity are governed by SEPs — and the billions of dollars in annual royalties flowing through FRAND licensing arrangements make this one of the highest-stakes IP practice areas anywhere. PerspireIP advises SEP holders, implementers, and standard-setting organizations on navigating this complex landscape.

What Are Standard Essential Patents?

A standard essential patent is a patent whose claims are necessarily infringed by any implementation of a particular technical standard. When a technical standard — such as 802.11 Wi-Fi or 5G NR — specifies how a technology must be implemented, any company building products that comply with that standard must practice certain patented inventions. The patent holder has an enormous competitive advantage: every implementer of the standard needs a license. To prevent abuse of this position, most standard-setting organizations (SSOs) require patent holders who participate in the standards development process to commit to licensing their SEPs on FRAND terms — Fair, Reasonable, And Non-Discriminatory terms.

The FRAND Commitment and Its Implications

When a company participates in an SSO and a technology it proposes is included in a standard, the SSO typically requires that company to sign an IPR declaration committing to license any resulting SEPs on FRAND terms. The FRAND commitment is a contractual obligation running to the SSO and, through the SSO’s policies, to all potential implementers of the standard. What FRAND means in practice — what royalty rates are fair and reasonable, and what non-discrimination requires — is deeply contested and has generated enormous litigation worldwide.

Determining a FRAND Royalty Rate

Setting FRAND royalty rates is one of the most contentious issues in IP law. Courts in the U.S., UK, Germany, China, and elsewhere have developed varying methodologies. Common approaches include:

  • Comparable license approach — identifying actual license agreements for comparable SEPs in the same technology area as the best evidence of FRAND rates
  • Top-down approach — estimating the aggregate royalty burden that all SEPs for a standard should collectively bear, then allocating a proportionate share to the patent owner based on the relative value of its contribution
  • Bottom-up approach — estimating the value of the specific SEP portfolio through technical analysis and comparison to the value of the standard as a whole

U.S. courts have increasingly applied the comparable license approach (Ericsson v. D-Link, TCL v. Ericsson). UK courts have established a procedure for setting global FRAND rates in a single proceeding (Unwired Planet v. Huawei). The appropriate royalty base — whether rates should apply to the entire end product or just the relevant chipset component — remains contested. Most courts now apply rates to the smallest salable patent-practicing unit rather than the full device price.

SEP Essentiality and Declaration Practices

SEP declaration practices are notoriously imprecise. Companies routinely declare patents as essential to a standard — the declaration creates FRAND licensing obligations — without rigorous verification of actual essentiality. Studies have found that a significant percentage of declared SEPs are not actually essential when analyzed in detail. ETSI, the European Telecommunications Standards Institute, does not verify essentiality declarations. This creates a problem: patent holders benefit from FRAND licensing obligations even for non-essential patents, and implementers cannot easily determine which declared SEPs actually require a license. Third-party essentiality evaluation services like TechInsights, Concur IP, and Cartesian have emerged to address this gap.

Injunctions and Hold-Up in SEP Disputes

A central tension in SEP law is whether SEP holders can seek injunctions against implementers who refuse to take a license. Courts have reached different conclusions. The EU Court of Justice’s Huawei v. ZTE decision established a framework where SEP holders must make a written licensing offer on FRAND terms before seeking an injunction, and implementers must respond diligently. U.S. courts apply the eBay standard requiring SEP holders to demonstrate irreparable harm — a high bar when monetary royalties are available. The availability of injunctions affects negotiating leverage enormously: a SEP holder who can credibly threaten an injunction has far more leverage than one whose only remedy is a FRAND royalty determined retroactively by a court.

Conclusion

Standard essential patents and FRAND licensing obligations define the IP landscape for global technology standards. Whether you are a SEP holder seeking to maximize licensing revenue, an implementer seeking FRAND license terms, or a company building a 5G or IoT product line, understanding SEP dynamics is essential. PerspireIP provides comprehensive SEP strategy support — from SEP portfolio development and declaration management to FRAND rate analysis, licensing negotiations, and litigation strategy.

Global SEP Litigation: Key Jurisdictions

SEP disputes are litigated simultaneously across multiple jurisdictions, creating complex global enforcement and defense strategies. The key jurisdictions in global SEP litigation are the U.S. (district courts and ITC), the UK (Unified Patent Court and national courts), Germany (Düsseldorf and Munich district courts, known for strong injunction standards), China (Beijing, Shanghai, and Shenzhen IP courts, which have issued significant global FRAND rate determinations), and India (Delhi High Court). Each jurisdiction has different standards for FRAND determinations, different procedural timelines, and different remedies. Germany and China have emerged as particularly important SEP battlegrounds, with both offering faster timelines and more plaintiff-friendly injunction standards than U.S. courts, creating leverage for SEP holders willing to file there first.

5G and the Next Wave of SEP Licensing

The transition from 4G to 5G is creating the largest SEP licensing cycle since the smartphone revolution. Estimates suggest that between 100,000 and 300,000 patents have been declared essential to 5G standards — held by Huawei, Qualcomm, Ericsson, Nokia, Samsung, LG, ZTE, and hundreds of smaller holders. As 5G networks roll out and connected automotive, industrial IoT, and fixed wireless access applications scale, the ecosystem of 5G implementers will expand dramatically beyond traditional smartphone manufacturers.

Companies building 5G-enabled products — vehicles, industrial equipment, infrastructure — who have not previously needed to navigate cellular SEP licensing will face complex and expensive licensing demands for the first time. PerspireIP helps companies in these verticals understand their 5G SEP exposure and build licensing strategies before demand letters arrive.

SEP Valuation and FRAND Rate Determination

Courts and arbitral tribunals tasked with setting FRAND rates must grapple with complex valuation questions: What is the value of the specific SEP portfolio relative to the standard as a whole? What would parties have agreed in a hypothetical arm’s-length negotiation conducted before the standard was finalized? How should aggregate royalty burdens be allocated across hundreds of SEP holders? These questions are answered differently by different methodologies and different experts, producing wide divergence in expert valuations of the same SEP portfolio.

Understanding the valuation methodologies favored by courts in key jurisdictions — and having credible economic analysis prepared before negotiations — is essential for SEP holders and implementers alike. PerspireIP coordinates with leading SEP valuation economists to provide integrated legal strategy and economic analysis for clients in FRAND disputes.

FRAND Licensing in the IoT Era

The Internet of Things creates fundamental questions about where in the value chain FRAND royalties should be applied. In traditional smartphone markets, SEP royalties were charged at the device level — a percentage of the smartphone selling price. In IoT markets, where chipsets implementing 5G or Wi-Fi standards might be embedded in a $50 connected sensor or a $100,000 connected vehicle, the appropriate royalty base is fiercely contested. SEP holders prefer to charge at the end-device level, capturing a share of the full IoT device value.

Implementers argue that FRAND royalties should be charged at the component level — the smallest salable unit implementing the standard. This battle over royalty base is reshaping SEP licensing economics for the IoT era and will continue to generate litigation and regulatory activity for years to come. PerspireIP monitors IoT SEP licensing developments continuously and advises clients on positioning their licensing programs for the IoT reality.

Practical Tips for Implementation

Translating IP strategy into day-to-day practice requires discipline, clear ownership, and the right support structures. The most successful IP programs share a common set of operational characteristics: IP responsibilities are embedded in standard business processes rather than treated as external compliance requirements; senior leadership reviews IP metrics alongside financial and operational KPIs; the IP team has a direct line to the business strategy function; and outside counsel relationships are managed to align incentives with outcomes rather than rewarding billable hours.

PerspireIP works as an embedded IP strategy partner — providing the expertise and execution capability that most companies cannot build internally at a fraction of the cost of a full in-house IP department. Whether you are a startup building your first patent application or a mid-market company scaling a licensing program, the fundamentals of successful IP strategy are consistent: be deliberate, be systematic, be aligned with business goals, and review regularly.

Common Pitfalls to Avoid

Even companies with sophisticated IP programs fall into predictable traps. Over-investment in non-core technology areas — filing patents on innovations that will never be commercialized or licensed — wastes budget that could better support core portfolio development. Under-investment in international filing leaves key markets unprotected and competitors free to copy. Failing to review and prune aging patents results in mounting maintenance costs for assets that no longer serve the business. Treating IP counsel as a cost center rather than a business partner results in reactive, transactional legal work instead of proactive strategy.

And failing to communicate IP value to the board and investors leads to under-appreciation of IP assets that should be enhancing company valuation. PerspireIP helps clients avoid all of these pitfalls through structured IP program management, regular portfolio reviews, and clear IP value communication to stakeholders at every level of the organization.

Standard Essential Patents After the EU’s Withdrawn SEP Regulation

For two years the most consequential development in European SEP policy was a piece of legislation that never arrived. Anyone advising on standard essential patents in 2026 needs to know both what was proposed and why it is no longer coming.

The European Commission published its proposed SEP Regulation in April 2023. It was an unusually interventionist instrument. It would have created a register of standard essential patents administered by the EUIPO in Alicante, required declared SEPs to be registered to be enforceable in EU courts, introduced sampling-based essentiality checks by independent evaluators, and – the provision that drew most of the objection – imposed a mandatory FRAND conciliation procedure that had to be exhausted before a holder could seek an injunction. The European Parliament adopted its position on the proposal on 28 February 2024.

It then stalled. On 11 February 2025 the Commission published its 2025 work programme, listing the SEP Regulation among the proposals it intended to withdraw, citing the absence of any foreseeable agreement between the co-legislators. The withdrawal became formal on 6 October 2025. The European Parliament has since brought an action before the Court of Justice challenging the Commission’s power to withdraw a proposal in that way, so the constitutional question is live even though the regulation itself is not.

The practical consequence for anyone holding or implementing standard essential patents is straightforward. There is no EU essentiality register, no mandatory conciliation step and no EU-level rate guidance. Declarations continue to be made to the standards bodies themselves – ETSI, IEEE, ITU – on the terms of their own IPR policies, with all the well-known problem of over-declaration that implies. Disputes continue to be resolved where they were before: the national courts, the UPC and, disproportionately, the English courts.

For implementers, the withdrawal removes a transparency mechanism many had been counting on. For holders, it removes a compliance burden but also the litigation-shield a registered, evaluated portfolio would have offered. In either case, the due diligence the regulation would have outsourced to the EUIPO now stays where it always was: with the parties.

How the UPC Changed Enforcement of Standard Essential Patents

While the regulation stalled, the Unified Patent Court quietly became one of the most consequential SEP forums in the world – because it can grant an injunction covering seventeen or more member states in a single action.

The landmark is Panasonic v OPPO, decided by the UPC’s Mannheim Local Division on 22 November 2024. It was the court’s first substantive treatment of a FRAND defence alongside validity and infringement. The division held the patent valid, essential to the 4G standard and infringed, dismissed OPPO’s revocation counterclaim, granted an injunction against 4G-enabled smartphones and smartwatches in the territories in issue subject to penalty payments, and awarded provisional damages of EUR 250,000.

What matters more than the outcome is the reasoning. The Mannheim division took a deliberately pragmatic rather than formalistic view of the negotiation framework the Court of Justice set out in Huawei v ZTE (C-170/13). Rather than treating the steps as a rigid sequence in which a holder’s procedural misstep forfeits the injunction, it assessed the overall conduct of both parties. An implementer who strings out negotiations while continuing to sell is unlikely to find the framework a safe harbour.

That sits alongside, rather than replaces, the English approach. Since Unwired Planet v Huawei [2020] UKSC 37, the English courts have been willing to determine the terms of a global FRAND licence and to make an injunction conditional on the implementer taking it. The UPC decides infringement and validity with continental reach; the English courts set worldwide rates. Sophisticated parties now litigate in both, and the forum race is itself a bargaining tactic.

Two practical points follow. First, opt-out decisions under Article 83 of the UPC Agreement are strategically loaded for SEP portfolios, because staying in the system buys injunction reach but exposes the patent to central revocation. Second, evidence of a genuine, documented, timely negotiation is now the single most valuable asset either side can bring to a European SEP dispute.

Working With PerspireIP

PerspireIP offers a comprehensive suite of IP strategy and management services designed to meet clients where they are and take them where they want to go. Our services span IP audits and portfolio assessments, patent and trademark prosecution strategy, licensing program design and execution, IP due diligence for M&A transactions, freedom-to-operate analysis, IP enforcement strategy, and ongoing IP portfolio management. We bring deep technical expertise across technology, life sciences, consumer products, and industrial sectors, combined with the business acumen to connect IP decisions to commercial outcomes. Our clients range from pre-revenue startups filing their first provisional applications to Fortune 500 companies managing global licensing programs.

What they share is a commitment to treating IP as the strategic business asset it is — and a recognition that expert IP strategy support pays for itself many times over in stronger competitive position, better deal outcomes, and more effective use of IP budget resources. Contact PerspireIP today to discuss how we can help strengthen your IP strategy and maximize the value of your intellectual property assets.