The dream of a driverless Tesla fleet shuttling people around while their owners kick back at home has been around for years, always just around the corner, but never quite here. Now, as the company continues to promise that reality is almost within reach, the U.S. Patent Office may have just introduced another delay.

As it turns out, names like “Robotaxi” and “Cybercab” might be too generic to trademark, and that could complicate Tesla’s rollout plans.

Read: Tesla Stiffs Cybertruck Owners On Another Promised Feature

It’s worth noting that Cybercab and Robotaxi refer to different things in the Tesla world. The former is the two-door prototype the automaker unveiled last year. The latter is the software that could enable everyday Tesla owners to let their car go around picking people up and moving them around while the owner is busy working or doing just about anything else.

According to TechCrunch, the USPTO just issued a non-final office action on the trademark application for the name Robotaxi. Specifically, the office said that name “describes a feature, ingredient, characteristic, purpose, function, intended audience of applicant’s goods and/or services.” In layman’s terms, it’s too general. The office even cited Wikipedia, Zoox, and The Verge to prove it.

“This term is used to describe similar goods and services by other companies,” the agency wrote. That mirrors a similar decision it made in April regarding Tesla’s attempt to trademark “Cybercab.”

FSD Supervised ride-hailing service is live for an early set of employees in Austin & San Francisco Bay Area.

We've completed over 1.5k trips & 15k miles of driving.

This service helps us develop & validate FSD networks, the mobile app, vehicle allocation, mission control &… pic.twitter.com/pYVfhi935W

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In that motion, the USPTO pointed to multiple concerns, including the potential for consumer confusion. In fact, it even mentioned other companies that use the word Cyber, including ones that specifically build aftermarket products for the Cybertruck. In a way, Tesla did this to itself. For now, though, the names aren’t dead and gone.

In both cases, Tesla can argue its case with whatever evidence it thinks is relevant. No doubt, the two words do seem tied to the automaker a little more all the time. Tesla must respond within three months or the USPTO will abandon the application. That runs well past Tesla’s planned June rollout, so expect more news on this topic sooner rather than later.

Franz Von Holzhausen and Lars Moravy are among Tesla’s top brass—Von Holzhausen is the senior design exec, and Moravy serves as the VP of engineering. In other words, these two are practically walking encyclopedias of Tesla’s product plans. And now, they’ve decided to spill a bit more of the proverbial tea in a fresh interview with teardown expert Sandy Munro.

More: Tesla Plans Smaller Model Y That’s At Least 20% Cheaper To Produce

In this conversation, the pair delves into the challenges of developing and producing ambitious vehicles like the CyberCab and Robovan. Speaking of the small people mover, expect the CyberCab to continue its march toward a 2026 release date. Both Von Holzhausen and Moravy agreed that Tesla would manage to begin testing for Level 5 autonomy later this year too. Sure, those rideshare cars will use a real human backup working remotely but let’s see how it goes before we critique it.

CyberCab’s Surprising Range and Production Details

Moravy shared that the CyberCab will likely be powered by a battery pack smaller than 50 kWh, and still manage to deliver around 300 miles of “real-world” range. That would be impressive as most cars with that type of range currently have much larger battery packs. For instance, the Model 3 Long Range RWD uses a 79.7 kWh battery and has 363 miles of range.

The production side of things isn’t being left behind either. Moravy mentioned that Tesla will continue to lean heavily on its signature casting process too. The CyberCab will feature a large casting at both the front and rear, as well as door shell castings to help tie everything together. That aids in Tesla’s goal to cut costs and reduce complexity. Another move toward that goal is that the team isn’t going to paint the castings. They say they have corrosion under control so there’s no need.

Robovan Is Not Quite Ready for Prime Time

Switching gears to the Robovan, Von Holzhausen gave Sandy Munro a glimpse into the vehicle’s interior, though it seems Tesla’s still working through the details. The team has tried different configurations, but the one shown in the video features a 14-seat layout, which is a bit… ambitious. It’s easier to pick up on additional details in the light of day too. For instance, the seats look very wide compared to an everyday car.

Read: Elon Musk Sued For Allegedly Using AI Image From Blade Runner 2049

While it’s safe to say the final design could shift quite a bit before the Robovan hits the streets (whenever that may be), this video provides an interesting peek into Tesla’s ongoing projects. And while Elon Musk is off doing, well, whatever it is he does remotely, Von Holzhausen and Moravy are still hard at work shaping the future of the brand.