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Mees van Vondelen

Mees van Vondelen

  • Engineering
  • Trainee Patent Attorney

Mees van Vondelen obtained his BSc from Delft University of Technology in the field of Mechanical Engineering. He specialized in Systems and Control, in which he obtained an MSc and a PhD.

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During his doctoral studies, he developed and validated control methods to mitigate wake effects in large offshore wind farms to improve power production. One of these methods was patented, which triggered his interest to become a patent attorney. Mees joined V.O. Patents & Trademarks in 2025.

Working experience

  • Trainee Patent Attorney, V.O. (2025)
  • PhD candidate, Delft University of Technology (2021-2025)

Education

  • PhD in Systems and Control; Wind Farm Control, Delft University of Technology (2025)
  • MSc in Systems and Control, Delft University of Technology (2021)
  • BSc in Mechanical Engineering, Delft University of Technology (2018)

Publications

  • van Vondelen, A. A. W., Ottenheym, J., Kalogera, M., and van Wingerden, J. W. “Enhanced wind turbine wake mixing.” Netherlands Patent No. NL2035238B1, 9 Jan. 2025.
  • van Vondelen, A. A. W., van der Hoek, D. C., Navalkar, S. T., van Wingerden, J. W. (2025). Experimental validation of synchronized Helix wake mixing control. Renewable Energy.
  • van Vondelen, A. A. W., Coquelet, M., Navalkar, S. T., van Wingerden, J. W. (2025). Synchronized Helix wake mixing control. Wind Energy Science.
  • Chen, Z., van Vondelen, A. A. W., van Wingerden, J. W. (2025). LiDAR-enhanced Closed-Loop Active Helix Approach. Wind Energy Science Discussions.
  • Gutierrez Santiago, U., van Vondelen, A. A. W., Fernández Sisón, A., Polinder, H., van Wingerden, J.W. (2025). Identification of operational deflection shapes of a wind turbine gearbox using fiber-optic strain sensors on a serial production end-of-line test bench. Wind Energy Science.
  • van Vondelen, A. A. W., Pamososuryo, A. K., Navalkar, S. T., van Wingerden, J. W. (2024). Control of periodically waked wind turbines. IEEE Transactions on Control Systems Technology.
    Coquelet, M., Lejeune, M., Bricteux, L., van Vondelen, A. A. W., van Wingerden, J.W., Chatelain, P. (2024). On the robustness of a blade-load-based wind speed estimator to dynamic pitch control strategies. Wind Energy Science.
  • van Vondelen, A. A. W., Pamososuryo, A. K., Navalkar, S. T., van Wingerden, J. W. (2024). On the optimal azimuth offset for individual pitch control in aeroelastic code coupled with a high-fidelity flow solver. 2024 European Control Conference (ECC).
  • van Vondelen, A. A. W., van der Hoek, D. C., Navalkar, S. T., van Wingerden, J. W. (2024). Synchronized dynamic induction control: An experimental investigation. Journal of Physics: Conference Series.
  • van Vondelen, A. A. W., Ottenheym, J., Pamososuryo, A. K., Navalkar, S. T., van Wingerden, J.W. (2023). Phase synchronization for helix enhanced wake mixing in downstream wind turbines. IFAC-PapersOnLine.
  • van Vondelen, A. A. W., Navalkar, S. T., Kerssemakers, D. R. H., van Wingerden, J.W. (2023). Enhanced wake mixing in wind farms using the Helix approach: A loads sensitivity study. 2023 American Control Conference (ACC).
  • Taschner, E., van Vondelen, A. A. W., Verzijlbergh, R., van Wingerden, J. W. (2023). On the performance of the helix wind farm control approach in the conventionally neutral atmospheric boundary layer. Journal of Physics: Conference Series.
  • van Vondelen, A. A. W., Iliopoulos, A., Navalkar, S. T., van der Hoek, D. C., van Wingerden, J.W. (2023). Modal analysis of an operational offshore wind turbine using enhanced Kalman filter‐based subspace identification. Wind Energy.
  • van Vondelen, A. A. W., Navalkar, S. T., Iliopoulos, A., van der Hoek, D. C., van Wingerden, J.W. (2022). Damping identification of offshore wind turbines using operational modal analysis: a review. Wind Energy Science.

Languages

  • Dutch
  • English

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News

G 1/25: the description must be adapted only where an inconsistency leads to non-compliance with the EPC

In G 1/25 (Enlarged Board of Appeal, 3 September 2026), the Enlarged Board of Appeal of the European Patent Office (EPO) decided whether, and on what legal basis, the description must be adapted when the claims are amended. The decision resolves a long-standing divergence in the case law of the Boards of Appeal and builds […]Continue reading

UPC clarifies lack of entitlement as a ground for revocation under Article 138(1)(e) EPC 

In UPC_CFI_523/2025, Wittenstein SE v Vestas Wind Systems A/S, the Court of First Instance, Central Division (Section Munich), decided on 2 September 2026 how lack of entitlement may operate as a ground for revocation under Article 138(1)(e) EPC. The Court held that it is not sufficient for a claimant to establish rights to only part […]Continue reading

UPC Court of Appeal on added matter: intermediate generalisation requires a functional or structural link

In UPC_CoA_884/2025, Court of Appeal, 13 August 2026, the Unified Patent Court (UPC) considered when omission of a feature from an embodiment amounts to an unallowable intermediate generalisation. The decision clarifies the relationship between the general added-matter test, the concept of intermediate generalisation and the question whether an omitted feature is essential to the invention.Continue reading

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2026 AIPPI World Congress

Congress Center Hamburg, Congressplatz, Hamburg, Germany

The annual AIPPI World Congress, held in September or October, is the only time of year when members from around the world come together to discuss current issues in the field of intellectual property.

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