The Zhaolong Patent Portfolio offers a useful window into how a Chinese data cable and connectivity manufacturer builds and defends its technical assets. Across 1502 patent families tracked, the active rate stands at 47.2%, covering both granted and pending cases. Of these, 663 families have been granted and 46 remain pending, giving a grant rate of 44.1%. The remaining families, totalling 793 between lapsed, expired and revoked status, represent a sizeable share of the portfolio. These figures reflect prosecution and maintenance outcomes only, not a judgment on patent quality or enforceability.
Filing activity peaked in 2021, with 146 families filed that year, marking the highest single-year volume on record. China dominates the jurisdictional footprint, accounting for 96.0% of filings across a spread of 10 jurisdictions tracked in this analysis. On the technology side, the leading cluster is H01B, the IPC class covering cables and conductors broadly, with 120 families, closely followed by connector-related technology. This concentration signals where Zhaolong channels most of its research and filing effort.
This report is built to help readers understand the shape and direction of Zhaolong’s patent activity, not to make investment or litigation decisions on its own. Filing counts alone do not establish product success, market share, or competitive strength in any given technology. Readers evaluating specific families for licensing, due diligence, or competitive benchmarking should verify details directly against primary patent office records. The analysis that follows walks through legal status, filing trends, geography, and technology concentration in turn.
About Zhaolong
Company Profile: Zhejiang Zhaolong Interconnect Technology Co., Ltd. is a Chinese manufacturer of data cables and connectivity products. The company reports it was originated in 1993 as a high-tech enterprise specializing in the design, manufacture and sale of data cables, special cables and connector assemblies. Its product range covers LAN cables, fiber optics, coaxial cables, and industrial cabling used in 5G and cloud computing.
The company states its products are widely applied to various fields such as Cloud Computing, 5G, Smart City, IoT, and AI. Zhaolong has built research partnerships with Chinese institutions. The company reports it built a scientific research and production base with Shanghai Cable Research Institute, cooperated with Tsinghua University on material processing technology, and built joint experiments with Zhejiang University. It holds ISO 9001, ISO 14001 and OHSAS 18001 certifications, along with international product certifications including UL, ETL and CE. The company is headquartered in Deqing, Zhejiang, China, with exports reaching over 100 countries.
How Healthy is Zhaolong Patent Portfolio?
Patent portfolio health depends heavily on legal status composition, and here the picture is mixed. Granted families make up 44.1% of the total, while pending cases add another 3.1%, giving the active rate of 47.2% cited earlier. On the other side, lapsed families account for 43.4%, revoked for 6.9%, and expired for 2.5%. This means close to half the portfolio has fallen out of active protection, a pattern worth watching for a manufacturer this size.
The composition chart in this section also reveals an interesting split by patent type. Utility Models dominate at 65.9% of filings, compared to 33.3% for standard invention patents and just 0.8% for Design filings. This heavy tilt toward Utility Models is common among Chinese manufacturers, since these filings grant faster and cost less, though they typically carry shorter terms and lighter examination. It suggests Zhaolong prioritizes speed and breadth of filing over depth of examination scrutiny. For stakeholders assessing portfolio strength, the legal status mix matters as much as raw filing volume. A near-even split between active and inactive families calls for closer review of which specific technologies remain protected today.
How Has the Zhaolong Patent Portfolio Evolved Over Time?
Patent filing trends for Zhaolong show a long arc of growth followed by recent volatility. Early filings were modest, with 63 families filed before 2008 and single-digit annual counts through 2010. Momentum built steadily from 2013 onward, when filings jumped to 80, and continued rising through the late 2010s. The filing-trend chart in this section shows a clear acceleration starting in 2018, with 101 families, climbing further to 140 in 2019.
The portfolio reached its high point in 2021 at 146 families, with 2022 close behind at 143. Filings then eased to 104 in 2023 before rising again to 133 in 2024. The sharp apparent drop to 70 in 2025 and just 6 in 2026, a decline of 91.4% in the latest year, almost certainly reflects publication lag rather than a genuine pullback in R&D activity. Patent applications typically take 12 to 18 months to appear in public databases, so the most recent one to two years should be read with that lag in mind rather than as a real slowdown in filing behaviour.
Where Does the Zhaolong Patent Protection Portfolio Prioritize Patent Protection?
Patent geography for Zhaolong is overwhelmingly domestic. China accounts for 96.0% of all filings, underscoring a business model still anchored primarily in its home market. The geographic chart in this section shows a long tail of secondary jurisdictions, led by the United States at 4.9%, followed by Taiwan at 3.3% and WIPO PCT filings at 3.1%.
Other jurisdictions, including EP Patents at 1.8%, Australia and Canada at 0.9% each, and Brazil and India at 0.8% each, each contribute small but notable shares. Argentina rounds out the set at 0.7%. This spread across 10 jurisdictions indicates Zhaolong does pursue some international protection, particularly in markets tied to electronics manufacturing and export demand. Still, the concentration in China suggests that international filing remains selective rather than systematic. For buyers or partners evaluating freedom to operate outside China, this geographic skew is an important starting point for deeper jurisdiction-specific checks.
Where is the Zhaolong Patent Portfolio Building Protection Across Key Technologies?
IPC analysis of the Zhaolong patent portfolio points clearly to cable and connector technology as the core focus. The leading class, H01B, covering general cables and conductors, holds 120 families at 21.2% of the total. Close behind sits H01R, covering electrically conductive connections, with 114 families at 20.2%. Together these two classes account for over two-fifths of all filings.
The technology chart in this section also reveals filing activity in less expected areas. Lighting-related classes, including F21V at 11.5%, F21S at 7.6%, and F21Y at 6.9%, together form a meaningful secondary cluster. Classes such as A23G, A01K, H02B, B65H, and E06B each contribute smaller shares between 5.5% and 8.1%. This diversification beyond core cabling suggests Zhaolong’s innovation effort, while centred on connectivity hardware, extends into adjacent product lines. For competitors or partners, this spread indicates a company hedging its technical bets across several manufacturing verticals rather than relying solely on cable technology alone.
How Has the Zhaolong Patent Portfolio Evolved Across Filing Geographies?
The heatmap in this section traces how filing activity by jurisdiction has shifted year over year. China’s filings closely track the overall portfolio trend, rising from 43 in 2011 to a high of 141 in 2021, then easing to 96 in 2023 before climbing back to 124 in 2024. This pattern confirms China remains the primary engine behind every major swing in total filing volume.
International filings tell a more fragmented story. The United States saw modest but consistent activity, peaking at 9 families in both 2021 and 2023. Taiwan shows a distinct late-stage rise, climbing from 0 filings in 2018 to 11 in 2023 and 10 in 2024, suggesting a recent strategic shift toward that market. Meanwhile, WIPO PCT and EP filings have tapered off since their early-2010s levels, with EP filings reaching 0 by 2023 and 2024. Smaller jurisdictions like Australia, Canada, Brazil, and India show similarly thin and declining recent activity, reinforcing that Zhaolong’s non-Chinese filing strategy is narrowing rather than broadening over time.
Consultant’s Perspective on Zhaolong Patent Portfolio
Viewed as a whole, the Zhaolong Patent Portfolio tells a story of a manufacturer deeply rooted in domestic filing with selective, narrowing international reach. The heavy reliance on Utility Models, at 65.9% of all filings, points to a filing strategy built for speed and cost efficiency rather than long-term defensive depth. Combined with an active rate of just 47.2%, this raises questions about how much of the portfolio still offers meaningful commercial protection today.
The concentration in H01B and H01R classes confirms Zhaolong’s core competence lies squarely in cable and connector engineering, consistent with its stated product lines. The lighting and agricultural technology clusters appearing in the data are worth further investigation, as they may signal diversification into adjacent manufacturing segments. Given the publication lag affecting 2025 and 2026 figures, any near-term read on filing momentum should wait for fuller data.
Going forward, stakeholders should track whether Taiwan’s rising filing trend continues, and whether China’s own filing volume stabilizes after its recent dip. A detailed family-by-family review of active, granted patents would sharpen any competitive or licensing assessment built on this foundation.
Explore Deeper Insights with Expertlancing Research
Understanding a patent portfolio at this level of detail takes more than headline numbers. Expertlancing Research helps clients move from portfolio-level trends to family-specific due diligence, competitive benchmarking, and technology white-space analysis. If Zhaolong’s filing patterns, technology clusters, or jurisdictional choices matter to your business decisions, our research team can build a tailored assessment. Reach out to Expertlancing Research to commission a deeper study suited to your specific commercial or legal question.