Korean inventions filed in the US rose 46%
KR → US+46%KR → JP+38%KR → EP+24%KR → CN+17%CN → US+12%EP → KR+9%EP → US+8%CN → JP+7%CN → KR+6%CN → EP+6%EP → JP+5%JP → KR+4%JP → US+2%US → KR+2%US → JP+1%US → EP-1%JP → EP-2%JP → CN-3%US → CN-5%EP → CN-9%
152Kpatent families in the busiest corridorCN→US
+46%the fastest-growing corridorKR→US
25%of CN → US work goes to ten firms in the USCN→US
Corridors
Firms sending work from Korea
| # | Firm | Share | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | ▲3 | Envision Patent & Law Firm | 270 | 7.9% | +1.50 | 7 | 0 | |
| 2 | ▼1 | KBK & Associates | 226 | 6.6% | -2.96 | 6 | 1 | |
| 3 | ▲6 | Yoon & Lee Patent & Law Firm | 207 | 6.0% | +0.83 | 5 | 0 | |
| 4 | ▲4 | Lee & Yoon Patent & Law Office | 204 | 6.0% | +0.63 | 4 | 0 | |
| 5 | ▼3 | Y.P. Lee, Mock & Partners | 201 | 5.9% | -1.65 | 28 | 4 | |
| 6 | ▲1 | Sungam Patent | 173 | 5.0% | -1.06 | 6 | 0 | |
| 7 | ▼4 | Kim & Chang | 117 | 3.4% | -3.36 | 37 | 12 | |
| 8 | ▲5 | PAX Patent & Law Firm | 96 | 2.8% | +0.65 | 4 | 1 | |
| 9 | ▲9 | YOU ME PATENT & LAW FIRM | 83 | 2.4% | +0.54 | 25 | 8 | |
| 10 | ▲6 | Park Jangwon Patent Law Office | 81 | 2.4% | +0.45 | 7 | 3 | |
+325 ranked firmsFull table | ||||||||
Families each firm handled, 2020–2022. Arrows show the rank change since 2017–2019.
Technology
| Overall | AHuman necessities | BOperations and transport | CChemistry and metallurgy | DTextiles and paper | EFixed constructions | FMechanical engineering | GPhysics | HElectricity | |
|---|---|---|---|---|---|---|---|---|---|
| Envision Patent & Law Firm | #1 | 1 | |||||||
| KBK & Associates | #2 | 5 | 1 | 4 | 2 | 4 | |||
| Yoon & Lee Patent & Law Firm | #3 | 7 | 2 | ||||||
| Lee & Yoon Patent & Law Office | #4 | 8 | 2 | ||||||
| Y.P. Lee, Mock & Partners | #5 | 1 | 2 | 1 | 6 | 5 | 8 | 4 | 6 |
| Sungam Patent | #6 | 5 | 8 | 4 | 3 | 1 | 1 | 5 | |
| Kim & Chang | #7 | 4 | 1 | 5 | 5 | 9 | |||
| PAX Patent & Law Firm | #8 | 4 | 2 | 5 | 2 | 3 | |||
| YOU ME PATENT & LAW FIRM | #9 | 5 | 7 | 5 | 3 | 5 | |||
| AIP Patent & Law Firm | Top 5% | 9 | 5 | 3 | |||||
| KOREANA Patent Firm | Top 10% | 3 | 8 | 6 | |||||
| Muhahn Patent & Law Firm | Top 10% | 2 | |||||||
| THEWAVE IP Law Firm | Top 10% | 3 | 5 | ||||||
| Ha Combined Patent | Top 25% | 2 | |||||||
| MUTUAL PATENT & LAW FIRM | Top 25% | 2 | |||||||
| B-Line Patent Law Office | Top 25% | 3 | |||||||
| SELIM INTELLECTUAL PROPERTY LAW FIRM | Top 25% | 5 | 3 | ||||||
| With People Law Office | Top 25% | 1 |
Rank in each IPC section, by patent families 2020–2022. Overall: rank in the whole corridor, shown as a band beyond 10th.
Applicants
| # | Applicant | Families | Offices per family |
|---|---|---|---|
| 1 | SAMSUNG ELECTRONICS CO., LTD. | 4,193 | 1.60 |
| 2 | LG Electronics Inc. | 2,841 | 1.87 |
| 3 | LG Energy Solution, LTD. | 1,716 | 2.71 |
| 4 | LG CHEMICAL LTD | 1,015 | 2.49 |
| 5 | Samsung Display Co., Ltd. | 323 | 1.78 |
| 6 | HYUNDAI MOTOR CO LTD | 317 | 1.81 |
| 7 | Kia Corporation | 316 | 1.81 |
| 8 | KOREAN TOBACCO GINSENG COMMUNITY | 265 | 2.51 |
| 9 | LG Display Co.,Ltd. | 237 | 1.99 |
| 10 | SAMSUNG SDI CO., LTD. | 208 | 1.79 |
+699 ranked applicants | |||
Top 10 by patent families filed abroad, 2020–2022.
Method
| Measure | What it counts | Minimum |
|---|---|---|
| Volume | Families a firm handled in the corridor | 10 families |
| Momentum | Change in market share since the previous period | 10 families |
| Breadth | Firms on the other side it worked with | 10 families, 3 partners |
| Openness | Partners that are new in the last two years | 10 families, 3 partners |
| Reach | Other IP5 offices an applicant files in, per family | 100 families |
SourcesPublished records of the IP5 offices and EUIPO
PeriodsPatents: 2020–2022 vs 2017–2019, by priority year. Trademarks: 2023–2025 vs 2020–2022, by filing year.
Not rankedIndividuals, in-house IP teams, applicant–firm pairs
Ranks come from the data only. Subscriptions, payments and partnerships never change a rank.
Corrections close on December 2, 2026. The corrected edition is 2026.1.No corrections yetReport an error