Summary
The North Face Apparel Corp (North Face) challenged the Controller of Patents and Designs' refusal of its application for an end-to-end garment management system that reads invisible markers with a spectrophotometer. The Controller had combined four prior art documents to find no inventive step. The Madras High Court held that documents with wholly different objectives cannot be stitched together through hindsight, found a patent inventive step in the claimed method, and directed grant of the patent. The ruling matters because it checks feature by feature dissection of claims and mosaicing of prior art during examination.
Background
Three hearings, four prior art documents and one refusal order stood between an apparel manufacturing invention and an Indian patent, until the Madras High Court revisited the question of patent inventive step on 16 October 2026. The ruling tests how far a Controller may break a claimed invention into parts and match each part against older documents.
The North Face Apparel Corp (“North Face”), a Delaware based apparel company, filed Indian Patent Application No. 202147026139 titled “Systems and Methods for End-to-End Article Management”. The invention covers an integrated process for clothing, accessories and fabric based components, from attribution and traceability of articles to a digital marketing system. It continuously monitors manufacturing, corrects deviations from the intended design, and uses a spectrophotometer to read invisible markers on the articles.
The Controller of Patents and Designs (“Controller”) issued a First Examination Report objecting to lack of inventive step and non-patentability. North Face replied on 31 May 2022 with amended claims. Three hearing notices followed, each raising fresh objections and citing prior art, and North Face attended every hearing, filed written submissions and amended its claims further. By order dated 16 April 2025, the Controller refused the application, relying on four documents labelled D21 to D24. North Face then appealed under Section 117A of the Patents Act, 1970 (“Patents Act”) before the Madras High Court, seeking to set aside the refusal and a direction to grant the patent.
Issues
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- Whether the Controller refused the claims by dissecting the invention into isolated features, instead of assessing the invention as a whole for patent inventive step.
- Whether D21 to D24, read separately or together, disclose or teach the claimed use of a spectrophotometer reading invisible markers for process correction.
- Whether combining D21 to D24 amounted to mosaicing of unrelated prior art and a hindsight reconstruction of the invention.
- Whether the refusal order dated 16 April 2025 should be set aside in the Section 117A appeal under the Patents Act, with a direction to grant the patent.
North Face’s Arguments
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- The Controller dissected the claim features and compared them with the prior art, when the invention should have been assessed as a whole.
- None of the cited documents uses a spectrophotometer as the primary sensor or employs invisible markers, and the Controller failed to assess the differences between the invention and the prior art.
- Continuous monitoring improves precision and efficiency in manufacturing, and the claimed bidirectional data flow architecture for dynamic process rectification is absent from D23.
- The Controller returned findings in North Face’s favour on certain aspects, yet still concluded that the application must be refused.
Controller’s Arguments
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- The invention was assessed as a whole against the combined teaching of D21 to D24, which together supplied the motivation for a person skilled in the art.
- D21 discloses automated garment manufacturing with a scanner building a three dimensional model, D23 discloses a centralised command and control network, D22 discloses identifier based tracking at multiple stages, and D24 discloses carrying process information to the next production stage.
- The claimed invention is a mosaicing of unrelated prior art, glued together through hindsight.
- Markers and sensors already appear in the cited documents, so the spectrophotometer and invisible markers cannot supply an inventive step, and the refusal order rested on common general knowledge.
Court’s Observations and Analysis
Holistic assessment on paper, dissection on the record
The court noted that the Controller’s counter affidavit claimed the invention was assessed as a whole against the combined teaching of the cited documents. The court observed, however, that both the refusal order and the counter affidavit showed the examiner had dissected the claimed invention and compared its parts with the cited documents. The court reasoned that this was evident because the counter affidavit itself set out the objective of each cited document separately. The court found that a stated holistic approach could not stand when the record showed a feature by feature comparison, which is central to any patent inventive step inquiry.
Different objectives, different teachings
The court further observed that the Controller admitted that the objective of D21 differs entirely from the invention and that D21 does not detect errors or discrepancies, which the claimed invention does. The court noted that D21 concerns automated production of a personalised custom fit garment using a scanner to build a three dimensional body model. The court stated that D22 teaches optically readable codes, whereas the invention uses invisible markers, so D22 could not be treated as common general knowledge defeating the invention. The court found that D23, though relevant to end-to-end article management architecture, follows steps that differ from the claimed process. The court held that D24 could not be decisive, and that a combined reading of D21 to D24 did not establish the common general knowledge of carrying process information from one stage to the next.
Hindsight, mosaicing and the technical advance
The court reasoned that when each cited document has a wholly different objective, their teachings cannot be assembled as a hindsight reconstruction of the claimed invention. The court opined that the counter affidavit alone sufficed to show that the invention did not arise from common general knowledge in the cited documents, even when those documents were read together. The court noted that although a semblance of the teachings appears when the documents are taken independently, the invention uses a new method of tracking the manufacturing process through invisible markers. The court observed that an inventive step involves a technical advance over existing knowledge, economic significance, or both. On that footing, the court held that identifying garments with a spectrophotometer that reads invisible markers, to achieve an effective end result in manufacturing, is essentially a patent inventive step when compared with D21 to D24. The court added that the examiner had overlooked this aspect, and it found the refusal order wholly unsustainable.
Findings
In view of the observations and the arguments presented by both the parties, the Madras High Court held that:
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- The refusal order dated 16 April 2025 is wholly unsustainable and is set aside.
- The Controller dissected the claimed invention and compared its features with the cited documents, despite stating that the invention was assessed as a whole.
- D21 to D24 have wholly different objectives and cannot be combined through hindsight reconstruction or mosaicing to defeat the claimed invention.
- The claimed method of tracking manufacturing with a spectrophotometer that identifies invisible markers involves an inventive step and is capable of industrial application.
- The appeal is allowed, and the Controller is directed to grant the patent on Indian Patent Application No. 202147026139.
- There is no order as to costs.
Case Citation: The North Face Apparel Corp v. Controller of Patents and Designs, CMA(PT) No. 22 of 2025, High Court of Judicature at Madras, decided on 16 October 2026. Available at http://indiankanoon.org/doc/24744007/.
Authored by Gaurav Mishra, Patent Attorney, BananaIP Counsels
